"endofunctor" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "endo",
        "3": "functor"
      },
      "expansion": "endo- + functor",
      "name": "prefix"
    }
  ],
  "etymology_text": "From endo- + functor.",
  "forms": [
    {
      "form": "endofunctors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "endofunctor (plural endofunctors)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with endo-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Entries with translation boxes",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with German translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Category theory",
          "orig": "en:Category theory",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A functor that maps a category to itself."
      ],
      "hyponyms": [
        {
          "word": "autofunctor"
        }
      ],
      "id": "en-endofunctor-en-noun-FPdqeP4n",
      "links": [
        [
          "category theory",
          "category theory"
        ],
        [
          "functor",
          "functor"
        ],
        [
          "map",
          "map"
        ],
        [
          "category",
          "category"
        ]
      ],
      "raw_glosses": [
        "(category theory) A functor that maps a category to itself."
      ],
      "topics": [
        "category-theory",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "Translations",
          "word": "endofunktori"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "Endofunktor"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Translations",
          "tags": [
            "masculine"
          ],
          "word": "endo-funktor"
        }
      ]
    }
  ],
  "word": "endofunctor"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "endo",
        "3": "functor"
      },
      "expansion": "endo- + functor",
      "name": "prefix"
    }
  ],
  "etymology_text": "From endo- + functor.",
  "forms": [
    {
      "form": "endofunctors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "endofunctor (plural endofunctors)",
      "name": "en-noun"
    }
  ],
  "hyponyms": [
    {
      "word": "autofunctor"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with endo-",
        "Entries with translation boxes",
        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with German translations",
        "Terms with Polish translations",
        "Translation table header lacks gloss",
        "en:Category theory"
      ],
      "glosses": [
        "A functor that maps a category to itself."
      ],
      "links": [
        [
          "category theory",
          "category theory"
        ],
        [
          "functor",
          "functor"
        ],
        [
          "map",
          "map"
        ],
        [
          "category",
          "category"
        ]
      ],
      "raw_glosses": [
        "(category theory) A functor that maps a category to itself."
      ],
      "topics": [
        "category-theory",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "Translations",
      "word": "endofunktori"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "Endofunktor"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "endo-funktor"
    }
  ],
  "word": "endofunctor"
}