"ad-" meaning in Latin

{
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "from",
        "3": "ad>to",
        "id": "to"
      },
      "expansion": "",
      "name": "etymon"
    }
  ],
  "etymology_text": "From the preposition ad (“to, towards”).",
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "prefix"
      },
      "expansion": "ad-",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "prefix",
  "senses": [
    {
      "glosses": [
        "to"
      ],
      "id": "en-ad--la-prefix-Zj6hv~~l",
      "links": [
        [
          "to",
          "to"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "categories": [
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "Latin entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "usually prefixed to verbs, in which cases it often has the effect of intensifying the verbal action"
      ],
      "id": "en-ad--la-prefix-qe0jZWdg",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "word": "ap-"
    },
    {
      "_dis1": "0 0",
      "word": "at-"
    },
    {
      "_dis1": "0 0",
      "word": "ac-"
    },
    {
      "_dis1": "0 0",
      "word": "al-"
    },
    {
      "_dis1": "0 0",
      "word": "ar-"
    },
    {
      "_dis1": "0 0",
      "word": "am-"
    },
    {
      "_dis1": "0 0",
      "tags": [
        "uncommon"
      ],
      "word": "an-"
    },
    {
      "_dis1": "0 0",
      "tags": [
        "rare"
      ],
      "word": "ab-"
    },
    {
      "_dis1": "0 0",
      "alt": "before /ɡn/ or /sC/; cf. agnoscō, astō",
      "sense": "ag-, as-, af-",
      "word": "a-"
    }
  ],
  "word": "ad-"
}

{
  "categories": [
    "Latin entries with incorrect language header",
    "Latin lemmas",
    "Latin prefixes",
    "Latin terms derived from Proto-Indo-European",
    "Latin terms derived from Proto-Italic",
    "Latin terms inherited from Proto-Indo-European",
    "Latin terms inherited from Proto-Italic",
    "Pages with 9 entries",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "la",
        "2": "from",
        "3": "ad>to",
        "id": "to"
      },
      "expansion": "",
      "name": "etymon"
    }
  ],
  "etymology_text": "From the preposition ad (“to, towards”).",
  "head_templates": [
    {
      "args": {
        "1": "la",
        "2": "prefix"
      },
      "expansion": "ad-",
      "name": "head"
    }
  ],
  "lang": "Latin",
  "lang_code": "la",
  "pos": "prefix",
  "senses": [
    {
      "glosses": [
        "to"
      ],
      "links": [
        [
          "to",
          "to"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    },
    {
      "glosses": [
        "usually prefixed to verbs, in which cases it often has the effect of intensifying the verbal action"
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "ap-"
    },
    {
      "word": "at-"
    },
    {
      "word": "ac-"
    },
    {
      "word": "al-"
    },
    {
      "word": "ar-"
    },
    {
      "alt": "before /ɡn/ or /sC/; cf. agnoscō, astō",
      "sense": "ag-, as-, af-",
      "word": "a-"
    },
    {
      "word": "am-"
    },
    {
      "tags": [
        "uncommon"
      ],
      "word": "an-"
    },
    {
      "tags": [
        "rare"
      ],
      "word": "ab-"
    }
  ],
  "word": "ad-"
}