"ac" meaning in Welsh

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "owl",
        "3": "ac",
        "4": "(h)ac"
      },
      "expansion": "Old Welsh (h)ac",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "cel-bry-pro",
        "3": "*atkʷe"
      },
      "expansion": "Proto-Brythonic *atkʷe",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "ine-pro",
        "3": "*h₂ét-kʷe"
      },
      "expansion": "Proto-Indo-European *h₂ét-kʷe",
      "name": "inh"
    },
    {
      "args": {
        "1": "br",
        "2": "hag"
      },
      "expansion": "Breton hag",
      "name": "cog"
    },
    {
      "args": {
        "1": "kw",
        "2": "hag"
      },
      "expansion": "Cornish hag",
      "name": "cog"
    },
    {
      "args": {
        "1": "cy",
        "2": "ag"
      },
      "expansion": "Welsh ag",
      "name": "cog"
    }
  ],
  "etymology_text": "From Old Welsh (h)ac, from Proto-Brythonic *atkʷe, from Proto-Indo-European *h₂ét-kʷe (compare Breton hag and Cornish hag); identical to Latin atque. Doublet of Welsh ag.",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "conjunction"
      },
      "expansion": "ac",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 15 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Prevocalic form of a (“and”)"
      ],
      "id": "en-ac-cy-conj-bmXkTBfk",
      "links": [
        [
          "a",
          "a#Welsh"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ak/",
      "tags": [
        "standard"
      ]
    },
    {
      "ipa": "/aɡ/",
      "tags": [
        "colloquial"
      ]
    },
    {
      "rhymes": "-ak"
    }
  ],
  "word": "ac"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "cy",
        "2": "owl",
        "3": "ac",
        "4": "(h)ac"
      },
      "expansion": "Old Welsh (h)ac",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "cel-bry-pro",
        "3": "*atkʷe"
      },
      "expansion": "Proto-Brythonic *atkʷe",
      "name": "inh"
    },
    {
      "args": {
        "1": "cy",
        "2": "ine-pro",
        "3": "*h₂ét-kʷe"
      },
      "expansion": "Proto-Indo-European *h₂ét-kʷe",
      "name": "inh"
    },
    {
      "args": {
        "1": "br",
        "2": "hag"
      },
      "expansion": "Breton hag",
      "name": "cog"
    },
    {
      "args": {
        "1": "kw",
        "2": "hag"
      },
      "expansion": "Cornish hag",
      "name": "cog"
    },
    {
      "args": {
        "1": "cy",
        "2": "ag"
      },
      "expansion": "Welsh ag",
      "name": "cog"
    }
  ],
  "etymology_text": "From Old Welsh (h)ac, from Proto-Brythonic *atkʷe, from Proto-Indo-European *h₂ét-kʷe (compare Breton hag and Cornish hag); identical to Latin atque. Doublet of Welsh ag.",
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "conjunction"
      },
      "expansion": "ac",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "conj",
  "senses": [
    {
      "categories": [
        "Pages with 15 entries",
        "Pages with entries",
        "Rhymes:Welsh/ak",
        "Rhymes:Welsh/ak/1 syllable",
        "Welsh conjunctions",
        "Welsh entries with incorrect language header",
        "Welsh lemmas",
        "Welsh terms derived from Old Welsh",
        "Welsh terms derived from Proto-Brythonic",
        "Welsh terms derived from Proto-Indo-European",
        "Welsh terms inherited from Old Welsh",
        "Welsh terms inherited from Proto-Brythonic",
        "Welsh terms inherited from Proto-Indo-European"
      ],
      "glosses": [
        "Prevocalic form of a (“and”)"
      ],
      "links": [
        [
          "a",
          "a#Welsh"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ak/",
      "tags": [
        "standard"
      ]
    },
    {
      "ipa": "/aɡ/",
      "tags": [
        "colloquial"
      ]
    },
    {
      "rhymes": "-ak"
    }
  ],
  "word": "ac"
}