"aptychus" meaning in All languages combined

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        "1": "en",
        "2": "grc",
        "3": "πτυχή",
        "4": "",
        "5": "fold, layer"
      },
      "expansion": "Ancient Greek πτυχή (ptukhḗ, “fold, layer”)",
      "name": "uder"
    }
  ],
  "etymology_text": "Modern Latin, from a- + Ancient Greek πτυχή (ptukhḗ, “fold, layer”).",
  "forms": [
    {
      "form": "aptychi",
      "tags": [
        "plural"
      ]
    }
  ],
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "name": "English entries with incorrect language header",
          "parents": [],
          "source": "w"
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        },
        {
          "kind": "other",
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          "name": "Animal body parts",
          "orig": "en:Animal body parts",
          "parents": [
            "Body parts",
            "Anatomy"
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        },
        {
          "kind": "other",
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          "name": "Cephalopods",
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          "orig": "en:Paleontology",
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          "ref": "2017, Danna Staaf, Squid Empire, ForeEdge, →ISBN, page 95:",
          "text": "It wasn't until the 1970s that paleontologists had amassed enough evidence to be certain that aptychi were modified lower jaws.",
          "type": "quote"
        }
      ],
      "glosses": [
        "A hard calcareous plate forming part of the body of an ammonite."
      ],
      "id": "en-aptychus-en-noun-~09E2lDr",
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        [
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          "calcareous"
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        [
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          "plate"
        ],
        [
          "ammonite",
          "ammonite"
        ]
      ],
      "raw_glosses": [
        "(paleontology) A hard calcareous plate forming part of the body of an ammonite."
      ],
      "related": [
        {
          "word": "anaptychus"
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{
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        "4": "",
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      },
      "expansion": "Ancient Greek πτυχή (ptukhḗ, “fold, layer”)",
      "name": "uder"
    }
  ],
  "etymology_text": "Modern Latin, from a- + Ancient Greek πτυχή (ptukhḗ, “fold, layer”).",
  "forms": [
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      "tags": [
        "plural"
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  "lang_code": "en",
  "pos": "noun",
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    {
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    {
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      ],
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      ],
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        "(paleontology) A hard calcareous plate forming part of the body of an ammonite."
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