"procto-" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "πρωκτός",
        "4": "",
        "5": "anus"
      },
      "expansion": "Ancient Greek πρωκτός (prōktós, “anus”)",
      "name": "uder"
    }
  ],
  "etymology_text": "From international scientific vocabulary, reflecting a New Latin combining form, from Ancient Greek πρωκτός (prōktós, “anus”).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "procto-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "procto-",
      "name": "en-prefix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "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 undefined derivations",
          "parents": [
            "Undefined derivations",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "colo-"
        }
      ],
      "glosses": [
        "Dealing with the rectum and anus; anorectal; sometimes also the distal colon."
      ],
      "hyponyms": [
        {
          "word": "ano-"
        },
        {
          "word": "recto-"
        }
      ],
      "id": "en-procto--en-prefix-ZGpi1Dy~",
      "links": [
        [
          "rectum",
          "rectum"
        ],
        [
          "anus",
          "anus"
        ],
        [
          "anorectal",
          "anorectal#English"
        ],
        [
          "colon",
          "colon"
        ]
      ],
      "synonyms": [
        {
          "tags": [
            "before-vowel"
          ],
          "word": "proct-"
        }
      ],
      "tags": [
        "morpheme"
      ],
      "wikipedia": [
        "classical compound",
        "international scientific vocabulary"
      ]
    }
  ],
  "word": "procto-"
}

{
  "coordinate_terms": [
    {
      "word": "colo-"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "πρωκτός",
        "4": "",
        "5": "anus"
      },
      "expansion": "Ancient Greek πρωκτός (prōktós, “anus”)",
      "name": "uder"
    }
  ],
  "etymology_text": "From international scientific vocabulary, reflecting a New Latin combining form, from Ancient Greek πρωκτός (prōktós, “anus”).",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "prefix",
        "head": "",
        "sort": ""
      },
      "expansion": "procto-",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "procto-",
      "name": "en-prefix"
    }
  ],
  "hyponyms": [
    {
      "word": "ano-"
    },
    {
      "word": "recto-"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English prefixes",
        "English terms derived from Ancient Greek",
        "English undefined derivations"
      ],
      "glosses": [
        "Dealing with the rectum and anus; anorectal; sometimes also the distal colon."
      ],
      "links": [
        [
          "rectum",
          "rectum"
        ],
        [
          "anus",
          "anus"
        ],
        [
          "anorectal",
          "anorectal#English"
        ],
        [
          "colon",
          "colon"
        ]
      ],
      "tags": [
        "morpheme"
      ],
      "wikipedia": [
        "classical compound",
        "international scientific vocabulary"
      ]
    }
  ],
  "synonyms": [
    {
      "tags": [
        "before-vowel"
      ],
      "word": "proct-"
    }
  ],
  "word": "procto-"
}