"dat" meaning in Latin

{
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "verb form"
      },
      "expansion": "dat",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "dō"
        }
      ],
      "glosses": [
        "third-person singular present active indicative of dō"
      ],
      "id": "en-dat-la-verb-ZntSu2Rl",
      "links": [
        [
          "dō",
          "do#Latin"
        ]
      ],
      "tags": [
        "active",
        "form-of",
        "indicative",
        "present",
        "singular",
        "third-person"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dat/",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "[d̪ät̪]",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "/dat/",
      "note": "modern Italianate Ecclesiastical"
    },
    {
      "ipa": "[d̪ät̪]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "dat"
}

{
  "categories": [
    "West Frisian conjunctions",
    "West Frisian determiner forms",
    "West Frisian entries with incorrect language header",
    "West Frisian lemmas",
    "West Frisian non-lemma forms",
    "West Frisian pronouns",
    "West Frisian terms with IPA pronunciation"
  ],
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "verb form"
      },
      "expansion": "dat",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Latin 1-syllable words",
        "Latin entries with incorrect language header",
        "Latin non-lemma forms",
        "Latin terms with IPA pronunciation",
        "Latin verb forms"
      ],
      "form_of": [
        {
          "word": "dō"
        }
      ],
      "glosses": [
        "third-person singular present active indicative of dō"
      ],
      "links": [
        [
          "dō",
          "do#Latin"
        ]
      ],
      "tags": [
        "active",
        "form-of",
        "indicative",
        "present",
        "singular",
        "third-person"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/dat/",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "[d̪ät̪]",
      "tags": [
        "Classical"
      ]
    },
    {
      "ipa": "/dat/",
      "note": "modern Italianate Ecclesiastical"
    },
    {
      "ipa": "[d̪ät̪]",
      "note": "modern Italianate Ecclesiastical"
    }
  ],
  "word": "dat"
}