"エプシロン" meaning in Japanese

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "en",
        "3": "epsilon"
      },
      "expansion": "English epsilon",
      "name": "bor"
    },
    {
      "args": {
        "1": "ja",
        "2": "grc",
        "3": "ἒ ψιλόν",
        "nocap": "y"
      },
      "expansion": "learned borrowing from Ancient Greek ἒ ψιλόν (è psilón)",
      "name": "lbor"
    }
  ],
  "etymology_text": "From English epsilon, or learned borrowing from Ancient Greek ἒ ψιλόν (è psilón).",
  "forms": [
    {
      "form": "epushiron",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "エプシロン • (epushiron)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Japanese entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese katakana",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese links with redundant wikilinks",
          "parents": [
            "Links with redundant wikilinks",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Japanese terms with redundant sortkeys",
          "parents": [
            "Terms with redundant sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ja",
          "name": "Greek letter names",
          "orig": "ja:Greek letter names",
          "parents": [
            "Letter names",
            "Letters, symbols, and punctuation",
            "Names",
            "Orthography",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Writing",
            "Fundamental",
            "Nouns",
            "Human behaviour",
            "Language",
            "Lemmas",
            "Human",
            "Communication"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "epsilon"
      ],
      "id": "en-エプシロン-ja-noun-br88jWPv",
      "links": [
        [
          "epsilon",
          "epsilon"
        ]
      ],
      "related": [
        {
          "roman": "upushiron",
          "word": "ウプシロン"
        },
        {
          "roman": "deruta",
          "word": "デルタ"
        },
        {
          "roman": "zēta",
          "word": "ゼータ"
        },
        {
          "roman": "ī",
          "word": "イー"
        }
      ],
      "synonyms": [
        {
          "roman": "ipushiron",
          "word": "イプシロン"
        }
      ],
      "wikipedia": [
        "ja:Ε"
      ]
    }
  ],
  "sounds": [
    {
      "other": "エプシロン"
    },
    {
      "ipa": "[e̞pɯ̟̊ᵝɕiɾõ̞ɴ]"
    }
  ],
  "word": "エプシロン"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "ja",
        "2": "en",
        "3": "epsilon"
      },
      "expansion": "English epsilon",
      "name": "bor"
    },
    {
      "args": {
        "1": "ja",
        "2": "grc",
        "3": "ἒ ψιλόν",
        "nocap": "y"
      },
      "expansion": "learned borrowing from Ancient Greek ἒ ψιλόν (è psilón)",
      "name": "lbor"
    }
  ],
  "etymology_text": "From English epsilon, or learned borrowing from Ancient Greek ἒ ψιλόν (è psilón).",
  "forms": [
    {
      "form": "epushiron",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "エプシロン • (epushiron)",
      "name": "ja-noun"
    }
  ],
  "lang": "Japanese",
  "lang_code": "ja",
  "pos": "noun",
  "related": [
    {
      "roman": "upushiron",
      "word": "ウプシロン"
    },
    {
      "roman": "deruta",
      "word": "デルタ"
    },
    {
      "roman": "zēta",
      "word": "ゼータ"
    },
    {
      "roman": "ī",
      "word": "イー"
    }
  ],
  "senses": [
    {
      "categories": [
        "Japanese entries with incorrect language header",
        "Japanese katakana",
        "Japanese learned borrowings from Ancient Greek",
        "Japanese lemmas",
        "Japanese links with redundant wikilinks",
        "Japanese nouns",
        "Japanese terms borrowed from Ancient Greek",
        "Japanese terms borrowed from English",
        "Japanese terms derived from Ancient Greek",
        "Japanese terms derived from English",
        "Japanese terms with IPA pronunciation",
        "Japanese terms with redundant sortkeys",
        "ja:Greek letter names"
      ],
      "glosses": [
        "epsilon"
      ],
      "links": [
        [
          "epsilon",
          "epsilon"
        ]
      ],
      "wikipedia": [
        "ja:Ε"
      ]
    }
  ],
  "sounds": [
    {
      "other": "エプシロン"
    },
    {
      "ipa": "[e̞pɯ̟̊ᵝɕiɾõ̞ɴ]"
    }
  ],
  "synonyms": [
    {
      "roman": "ipushiron",
      "word": "イプシロン"
    }
  ],
  "word": "エプシロン"
}