"開頭" meaning in Japanese

See 開頭 in All languages combined, or Wiktionary

Noun

IPA: [ka̠ito̞ː] Forms: 開頭 [canonical] (ruby: (かい), (とう)), kaitō [romanization]
Etymology: Coined in Japan of Middle Chinese-derived elements as a compound of 開 (kai, “open”) + 頭 (tō, “head”). Date of first appearance is uncertain, but this seems to be a relatively modern coinage. Etymology templates: {{cog|ltc|-}} Middle Chinese, {{compound|ja|開|頭|sort=かいとう|t1=open|t2=head|tr1=kai|tr2=tō}} 開 (kai, “open”) + 頭 (tō, “head”) Head templates: {{ja-noun|かいとう}} 開(かい)頭(とう) • (kaitō)
  1. (medicine) craniotomy: the opening of the skull for surgery Categories (topical): Medicine
    Sense id: en-開頭-ja-noun-EwbB-2-s Categories (other): Japanese terms with non-redundant non-automated sortkeys Topics: medicine, sciences

Verb

IPA: [ka̠ito̞ː]
Etymology: Coined in Japan of Middle Chinese-derived elements as a compound of 開 (kai, “open”) + 頭 (tō, “head”). Date of first appearance is uncertain, but this seems to be a relatively modern coinage. Etymology templates: {{cog|ltc|-}} Middle Chinese, {{compound|ja|開|頭|sort=かいとう|t1=open|t2=head|tr1=kai|tr2=tō}} 開 (kai, “open”) + 頭 (tō, “head”) Forms: 開頭する [canonical] (ruby: (かい), (とう)), kaitō suru [romanization], 開頭し [stem] (ruby: (かい), (とう)), 開頭した [past] (ruby: (かい), (とう)), no-table-tags [table-tags], 開頭し [error-unrecognized-form], かいとうし [error-unrecognized-form], kaitō shi [error-unrecognized-form], 開頭する [error-unrecognized-form], かいとうする [error-unrecognized-form], kaitō suru [error-unrecognized-form], 開頭すれ [error-unrecognized-form], かいとうすれ [error-unrecognized-form], kaitō sure [error-unrecognized-form], 開頭せよ [error-unrecognized-form, imperative, literary], 開頭しろ [colloquial, error-unrecognized-form, imperative], かいとうせよ [error-unrecognized-form, imperative, literary], かいとうしろ [colloquial, error-unrecognized-form, imperative], kaitō seyo [error-unrecognized-form, imperative, literary], kaitō shiro [colloquial, error-unrecognized-form, imperative], 開頭される [passive], かいとうされる [passive], kaitō sareru [passive], 開頭させる [causative], 開頭さす [causative], かいとうさせる [causative], かいとうさす [causative], kaitō saseru [causative], kaitō sasu [causative], 開頭できる [potential], かいとうできる [potential], kaitō dekiru [potential], 開頭しよう [volitional], かいとうしよう [volitional], kaitō shiyō [volitional], 開頭しない [negative], かいとうしない [negative], kaitō shinai [negative], 開頭せず [continuative, negative], かいとうせず [continuative, negative], kaitō sezu [continuative, negative], 開頭します [formal], かいとうします [formal], kaitō shimasu [formal], 開頭した [perfective], かいとうした [perfective], kaitō shita [perfective], 開頭して [conjunctive], かいとうして [conjunctive], kaitō shite [conjunctive], 開頭すれば [conditional, hypothetical], かいとうすれば [conditional, hypothetical], kaitō sureba [conditional, hypothetical]
  1. (medicine) to craniotomize, to perform a craniotomy: to open the skull for surgery Categories (topical): Medicine
    Sense id: en-開頭-ja-verb-YbILrwty Categories (other): Japanese terms with non-redundant non-automated sortkeys, Pages with 2 entries, Pages with entries, Japanese entries with incorrect language header, Japanese links with redundant alt parameters, Japanese links with redundant wikilinks, Japanese terms with 2 kanji, Japanese terms with non-redundant non-automated sortkeys, Japanese terms with redundant sortkeys, Japanese verbs without transitivity Disambiguation of Pages with 2 entries: 27 10 12 52 Disambiguation of Pages with entries: 20 7 9 64 Disambiguation of Japanese entries with incorrect language header: 28 72 Disambiguation of Japanese links with redundant alt parameters: 33 67 Disambiguation of Japanese links with redundant wikilinks: 32 68 Disambiguation of Japanese terms with 2 kanji: 31 69 Disambiguation of Japanese terms with non-redundant non-automated sortkeys: 32 68 Disambiguation of Japanese terms with redundant sortkeys: 31 69 Disambiguation of Japanese verbs without transitivity: 38 62 Topics: medicine, sciences
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      "other": "かいとー"
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      "ipa": "[ka̠ito̞ː]"
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      "form": "開頭した",
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          "頭",
          "とう"
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      "form": "開頭する",
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      "form": "かいとうする",
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    {
      "form": "開頭すれ",
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        "error-unrecognized-form"
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    },
    {
      "form": "かいとうすれ",
      "source": "conjugation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "kaitō sure",
      "source": "conjugation",
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        "error-unrecognized-form"
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    },
    {
      "form": "開頭せよ",
      "source": "conjugation",
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        "imperative",
        "literary"
      ]
    },
    {
      "form": "開頭しろ",
      "source": "conjugation",
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        "error-unrecognized-form",
        "imperative"
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    },
    {
      "form": "kaitō shiro",
      "source": "conjugation",
      "tags": [
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        "error-unrecognized-form",
        "imperative"
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    },
    {
      "form": "開頭される",
      "source": "conjugation",
      "tags": [
        "passive"
      ]
    },
    {
      "form": "かいとうされる",
      "source": "conjugation",
      "tags": [
        "passive"
      ]
    },
    {
      "form": "kaitō sareru",
      "source": "conjugation",
      "tags": [
        "passive"
      ]
    },
    {
      "form": "開頭させる",
      "source": "conjugation",
      "tags": [
        "causative"
      ]
    },
    {
      "form": "開頭さす",
      "source": "conjugation",
      "tags": [
        "causative"
      ]
    },
    {
      "form": "かいとうさせる",
      "source": "conjugation",
      "tags": [
        "causative"
      ]
    },
    {
      "form": "かいとうさす",
      "source": "conjugation",
      "tags": [
        "causative"
      ]
    },
    {
      "form": "kaitō saseru",
      "source": "conjugation",
      "tags": [
        "causative"
      ]
    },
    {
      "form": "kaitō sasu",
      "source": "conjugation",
      "tags": [
        "causative"
      ]
    },
    {
      "form": "開頭できる",
      "source": "conjugation",
      "tags": [
        "potential"
      ]
    },
    {
      "form": "かいとうできる",
      "source": "conjugation",
      "tags": [
        "potential"
      ]
    },
    {
      "form": "kaitō dekiru",
      "source": "conjugation",
      "tags": [
        "potential"
      ]
    },
    {
      "form": "開頭しよう",
      "source": "conjugation",
      "tags": [
        "volitional"
      ]
    },
    {
      "form": "かいとうしよう",
      "source": "conjugation",
      "tags": [
        "volitional"
      ]
    },
    {
      "form": "kaitō shiyō",
      "source": "conjugation",
      "tags": [
        "volitional"
      ]
    },
    {
      "form": "開頭しない",
      "source": "conjugation",
      "tags": [
        "negative"
      ]
    },
    {
      "form": "かいとうしない",
      "source": "conjugation",
      "tags": [
        "negative"
      ]
    },
    {
      "form": "kaitō shinai",
      "source": "conjugation",
      "tags": [
        "negative"
      ]
    },
    {
      "form": "開頭せず",
      "source": "conjugation",
      "tags": [
        "continuative",
        "negative"
      ]
    },
    {
      "form": "かいとうせず",
      "source": "conjugation",
      "tags": [
        "continuative",
        "negative"
      ]
    },
    {
      "form": "kaitō sezu",
      "source": "conjugation",
      "tags": [
        "continuative",
        "negative"
      ]
    },
    {
      "form": "開頭します",
      "source": "conjugation",
      "tags": [
        "formal"
      ]
    },
    {
      "form": "かいとうします",
      "source": "conjugation",
      "tags": [
        "formal"
      ]
    },
    {
      "form": "kaitō shimasu",
      "source": "conjugation",
      "tags": [
        "formal"
      ]
    },
    {
      "form": "開頭した",
      "source": "conjugation",
      "tags": [
        "perfective"
      ]
    },
    {
      "form": "かいとうした",
      "source": "conjugation",
      "tags": [
        "perfective"
      ]
    },
    {
      "form": "kaitō shita",
      "source": "conjugation",
      "tags": [
        "perfective"
      ]
    },
    {
      "form": "開頭して",
      "source": "conjugation",
      "tags": [
        "conjunctive"
      ]
    },
    {
      "form": "かいとうして",
      "source": "conjugation",
      "tags": [
        "conjunctive"
      ]
    },
    {
      "form": "kaitō shite",
      "source": "conjugation",
      "tags": [
        "conjunctive"
      ]
    },
    {
      "form": "開頭すれば",
      "source": "conjugation",
      "tags": [
        "conditional",
        "hypothetical"
      ]
    },
    {
      "form": "かいとうすれば",
      "source": "conjugation",
      "tags": [
        "conditional",
        "hypothetical"
      ]
    },
    {
      "form": "kaitō sureba",
      "source": "conjugation",
      "tags": [
        "conditional",
        "hypothetical"
      ]
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "verb",
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          "surgery"
        ]
      ],
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        "(medicine) to craniotomize, to perform a craniotomy: to open the skull for surgery"
      ],
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        "medicine",
        "sciences"
      ]
    }
  ],
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    {
      "other": "かいとー"
    },
    {
      "ipa": "[ka̠ito̞ː]"
    }
  ],
  "word": "開頭"
}
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          "開",
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          "頭",
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    {
      "other": "かいとー"
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      "ipa": "[ka̠ito̞ː]"
    }
  ],
  "word": "開頭"
}

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    "Japanese terms with 2 kanji",
    "Japanese terms with IPA pronunciation",
    "Japanese terms with non-redundant non-automated sortkeys",
    "Japanese terms with redundant sortkeys",
    "Japanese verbs",
    "Japanese verbs without transitivity",
    "Pages with 2 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "ltc",
        "2": "-"
      },
      "expansion": "Middle Chinese",
      "name": "cog"
    },
    {
      "args": {
        "1": "ja",
        "2": "開",
        "3": "頭",
        "sort": "かいとう",
        "t1": "open",
        "t2": "head",
        "tr1": "kai",
        "tr2": "tō"
      },
      "expansion": "開 (kai, “open”) + 頭 (tō, “head”)",
      "name": "compound"
    }
  ],
  "etymology_text": "Coined in Japan of Middle Chinese-derived elements as a compound of 開 (kai, “open”) + 頭 (tō, “head”).\nDate of first appearance is uncertain, but this seems to be a relatively modern coinage.",
  "forms": [
    {
      "form": "開頭する",
      "ruby": [
        [
          "開",
          "かい"
        ],
        [
          "頭",
          "とう"
        ]
      ],
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "kaitō suru",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "開頭し",
      "roman": "kaitō shi",
      "ruby": [
        [
          "開",
          "かい"
        ],
        [
          "頭",
          "とう"
        ]
      ],
      "tags": [
        "stem"
      ]
    },
    {
      "form": "開頭した",
      "roman": "kaitō shita",
      "ruby": [
        [
          "開",
          "かい"
        ],
        [
          "頭",
          "とう"
        ]
      ],
      "tags": [
        "past"
      ]
    },
    {
      "form": "no-table-tags",
      "source": "conjugation",
      "tags": [
        "table-tags"
      ]
    },
    {
      "form": "ja-suru",
      "source": "conjugation",
      "tags": [
        "inflection-template"
      ]
    },
    {
      "form": "開頭し",
      "source": "conjugation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "かいとうし",
      "source": "conjugation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "kaitō shi",
      "source": "conjugation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "開頭する",
      "source": "conjugation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "かいとうする",
      "source": "conjugation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "kaitō suru",
      "source": "conjugation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "開頭すれ",
      "source": "conjugation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "かいとうすれ",
      "source": "conjugation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "kaitō sure",
      "source": "conjugation",
      "tags": [
        "error-unrecognized-form"
      ]
    },
    {
      "form": "開頭せよ",
      "source": "conjugation",
      "tags": [
        "error-unrecognized-form",
        "imperative",
        "literary"
      ]
    },
    {
      "form": "開頭しろ",
      "source": "conjugation",
      "tags": [
        "colloquial",
        "error-unrecognized-form",
        "imperative"
      ]
    },
    {
      "form": "かいとうせよ",
      "source": "conjugation",
      "tags": [
        "error-unrecognized-form",
        "imperative",
        "literary"
      ]
    },
    {
      "form": "かいとうしろ",
      "source": "conjugation",
      "tags": [
        "colloquial",
        "error-unrecognized-form",
        "imperative"
      ]
    },
    {
      "form": "kaitō seyo",
      "source": "conjugation",
      "tags": [
        "error-unrecognized-form",
        "imperative",
        "literary"
      ]
    },
    {
      "form": "kaitō shiro",
      "source": "conjugation",
      "tags": [
        "colloquial",
        "error-unrecognized-form",
        "imperative"
      ]
    },
    {
      "form": "開頭される",
      "source": "conjugation",
      "tags": [
        "passive"
      ]
    },
    {
      "form": "かいとうされる",
      "source": "conjugation",
      "tags": [
        "passive"
      ]
    },
    {
      "form": "kaitō sareru",
      "source": "conjugation",
      "tags": [
        "passive"
      ]
    },
    {
      "form": "開頭させる",
      "source": "conjugation",
      "tags": [
        "causative"
      ]
    },
    {
      "form": "開頭さす",
      "source": "conjugation",
      "tags": [
        "causative"
      ]
    },
    {
      "form": "かいとうさせる",
      "source": "conjugation",
      "tags": [
        "causative"
      ]
    },
    {
      "form": "かいとうさす",
      "source": "conjugation",
      "tags": [
        "causative"
      ]
    },
    {
      "form": "kaitō saseru",
      "source": "conjugation",
      "tags": [
        "causative"
      ]
    },
    {
      "form": "kaitō sasu",
      "source": "conjugation",
      "tags": [
        "causative"
      ]
    },
    {
      "form": "開頭できる",
      "source": "conjugation",
      "tags": [
        "potential"
      ]
    },
    {
      "form": "かいとうできる",
      "source": "conjugation",
      "tags": [
        "potential"
      ]
    },
    {
      "form": "kaitō dekiru",
      "source": "conjugation",
      "tags": [
        "potential"
      ]
    },
    {
      "form": "開頭しよう",
      "source": "conjugation",
      "tags": [
        "volitional"
      ]
    },
    {
      "form": "かいとうしよう",
      "source": "conjugation",
      "tags": [
        "volitional"
      ]
    },
    {
      "form": "kaitō shiyō",
      "source": "conjugation",
      "tags": [
        "volitional"
      ]
    },
    {
      "form": "開頭しない",
      "source": "conjugation",
      "tags": [
        "negative"
      ]
    },
    {
      "form": "かいとうしない",
      "source": "conjugation",
      "tags": [
        "negative"
      ]
    },
    {
      "form": "kaitō shinai",
      "source": "conjugation",
      "tags": [
        "negative"
      ]
    },
    {
      "form": "開頭せず",
      "source": "conjugation",
      "tags": [
        "continuative",
        "negative"
      ]
    },
    {
      "form": "かいとうせず",
      "source": "conjugation",
      "tags": [
        "continuative",
        "negative"
      ]
    },
    {
      "form": "kaitō sezu",
      "source": "conjugation",
      "tags": [
        "continuative",
        "negative"
      ]
    },
    {
      "form": "開頭します",
      "source": "conjugation",
      "tags": [
        "formal"
      ]
    },
    {
      "form": "かいとうします",
      "source": "conjugation",
      "tags": [
        "formal"
      ]
    },
    {
      "form": "kaitō shimasu",
      "source": "conjugation",
      "tags": [
        "formal"
      ]
    },
    {
      "form": "開頭した",
      "source": "conjugation",
      "tags": [
        "perfective"
      ]
    },
    {
      "form": "かいとうした",
      "source": "conjugation",
      "tags": [
        "perfective"
      ]
    },
    {
      "form": "kaitō shita",
      "source": "conjugation",
      "tags": [
        "perfective"
      ]
    },
    {
      "form": "開頭して",
      "source": "conjugation",
      "tags": [
        "conjunctive"
      ]
    },
    {
      "form": "かいとうして",
      "source": "conjugation",
      "tags": [
        "conjunctive"
      ]
    },
    {
      "form": "kaitō shite",
      "source": "conjugation",
      "tags": [
        "conjunctive"
      ]
    },
    {
      "form": "開頭すれば",
      "source": "conjugation",
      "tags": [
        "conditional",
        "hypothetical"
      ]
    },
    {
      "form": "かいとうすれば",
      "source": "conjugation",
      "tags": [
        "conditional",
        "hypothetical"
      ]
    },
    {
      "form": "kaitō sureba",
      "source": "conjugation",
      "tags": [
        "conditional",
        "hypothetical"
      ]
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Japanese terms with non-redundant non-automated sortkeys",
        "ja:Medicine"
      ],
      "glosses": [
        "to craniotomize, to perform a craniotomy: to open the skull for surgery"
      ],
      "links": [
        [
          "medicine",
          "medicine"
        ],
        [
          "craniotomize",
          "craniotomize"
        ],
        [
          "perform",
          "perform"
        ],
        [
          "craniotomy",
          "craniotomy"
        ],
        [
          "skull",
          "skull"
        ],
        [
          "surgery",
          "surgery"
        ]
      ],
      "raw_glosses": [
        "(medicine) to craniotomize, to perform a craniotomy: to open the skull for surgery"
      ],
      "topics": [
        "medicine",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "other": "かいとー"
    },
    {
      "ipa": "[ka̠ito̞ː]"
    }
  ],
  "word": "開頭"
}

Download raw JSONL data for 開頭 meaning in Japanese (8.3kB)

{
  "called_from": "parser/1336",
  "msg": "no corresponding start tag found for </span>",
  "path": [
    "開頭"
  ],
  "section": "Japanese",
  "subsection": "noun",
  "title": "開頭",
  "trace": ""
}

{
  "called_from": "inflection/735",
  "msg": "inflection table: unrecognized header: 'Mizenkei (\"imperfective\")'",
  "path": [
    "開頭"
  ],
  "section": "Japanese",
  "subsection": "verb",
  "title": "開頭",
  "trace": ""
}

{
  "called_from": "inflection/735",
  "msg": "inflection table: unrecognized header: 'Ren’yōkei (\"continuative\")'",
  "path": [
    "開頭"
  ],
  "section": "Japanese",
  "subsection": "verb",
  "title": "開頭",
  "trace": ""
}

{
  "called_from": "inflection/735",
  "msg": "inflection table: unrecognized header: 'Shūshikei (\"terminal\")'",
  "path": [
    "開頭"
  ],
  "section": "Japanese",
  "subsection": "verb",
  "title": "開頭",
  "trace": ""
}

{
  "called_from": "inflection/735",
  "msg": "inflection table: unrecognized header: 'Rentaikei (\"attributive\")'",
  "path": [
    "開頭"
  ],
  "section": "Japanese",
  "subsection": "verb",
  "title": "開頭",
  "trace": ""
}

{
  "called_from": "inflection/735",
  "msg": "inflection table: unrecognized header: 'Kateikei (\"hypothetical\")'",
  "path": [
    "開頭"
  ],
  "section": "Japanese",
  "subsection": "verb",
  "title": "開頭",
  "trace": ""
}

{
  "called_from": "inflection/735",
  "msg": "inflection table: unrecognized header: 'Meireikei (\"imperative\")'",
  "path": [
    "開頭"
  ],
  "section": "Japanese",
  "subsection": "verb",
  "title": "開頭",
  "trace": ""
}

This page is a part of the kaikki.org machine-readable Japanese dictionary. This dictionary is based on structured data extracted on 2025-01-31 from the enwiktionary dump dated 2025-01-20 using wiktextract (bcd5c38 and 9dbd323). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.