"catunum" meaning in Latin

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "roa-oit",
            "2": "catuno"
          },
          "expansion": "Old Italian: catuno",
          "name": "desc"
        }
      ],
      "text": "Old Italian: catuno, caduno"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fro",
            "2": "*caḍun"
          },
          "expansion": "Old French: *caḍun",
          "name": "desc"
        }
      ],
      "text": "Old French: *caḍun (attested as cadhuna) > chaün"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "oc",
            "2": "cadun"
          },
          "expansion": "Occitan: cadun",
          "name": "desc"
        }
      ],
      "text": "Occitan: cadun"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "cata",
        "3": "ūnum"
      },
      "expansion": "cata + ūnum",
      "name": "compound"
    }
  ],
  "etymology_text": "cata + ūnum.",
  "forms": [
    {
      "form": "catūnum",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "catūna",
      "tags": [
        "feminine"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "reconstructed pronoun",
        "3": "feminine",
        "4": "*catūna",
        "head": "*catūnum"
      },
      "expansion": "*catūnum (feminine *catūna)",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "original_title": "Reconstruction:Latin/catunum",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Latin reconstructed pronouns",
          "parents": [
            "Reconstructed pronouns",
            "Pronouns",
            "Reconstructed terms",
            "Lemmas",
            "Terms by etymology"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Proto-Italo-Western-Romance",
          "parents": [],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "cascūnum"
        }
      ],
      "glosses": [
        "each, each one"
      ],
      "id": "en-catunum-la-pron-v2JtVvQu",
      "links": [
        [
          "each",
          "each"
        ],
        [
          "each one",
          "each one"
        ]
      ],
      "tags": [
        "Proto-Italo-Western-Romance",
        "reconstruction"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/katunu/"
    }
  ],
  "word": "catunum"
}

{
  "derived": [
    {
      "word": "cascūnum"
    }
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "roa-oit",
            "2": "catuno"
          },
          "expansion": "Old Italian: catuno",
          "name": "desc"
        }
      ],
      "text": "Old Italian: catuno, caduno"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "fro",
            "2": "*caḍun"
          },
          "expansion": "Old French: *caḍun",
          "name": "desc"
        }
      ],
      "text": "Old French: *caḍun (attested as cadhuna) > chaün"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "oc",
            "2": "cadun"
          },
          "expansion": "Occitan: cadun",
          "name": "desc"
        }
      ],
      "text": "Occitan: cadun"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "cata",
        "3": "ūnum"
      },
      "expansion": "cata + ūnum",
      "name": "compound"
    }
  ],
  "etymology_text": "cata + ūnum.",
  "forms": [
    {
      "form": "catūnum",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "catūna",
      "tags": [
        "feminine"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "reconstructed pronoun",
        "3": "feminine",
        "4": "*catūna",
        "head": "*catūnum"
      },
      "expansion": "*catūnum (feminine *catūna)",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "original_title": "Reconstruction:Latin/catunum",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        "Latin compound terms",
        "Latin entries with incorrect language header",
        "Latin lemmas",
        "Latin reconstructed pronouns",
        "Latin terms with IPA pronunciation",
        "Proto-Italo-Western-Romance"
      ],
      "glosses": [
        "each, each one"
      ],
      "links": [
        [
          "each",
          "each"
        ],
        [
          "each one",
          "each one"
        ]
      ],
      "tags": [
        "Proto-Italo-Western-Romance",
        "reconstruction"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/katunu/"
    }
  ],
  "word": "catunum"
}