"p'un" meaning in Welsh

{
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "contraction"
      },
      "expansion": "p'un",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "contraction",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "which one?",
          "word": "pa un"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Welsh determiners",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Contraction of pa un (“which one?”)."
      ],
      "id": "en-p'un-cy-contraction-T-Lnd-Co",
      "links": [
        [
          "pa",
          "pa#Welsh"
        ],
        [
          "un",
          "un#Welsh"
        ]
      ],
      "raw_glosses": [
        "(colloquial, interrogative) Contraction of pa un (“which one?”)."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "colloquial",
        "contraction",
        "interrogative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pɨːn/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/piːn/",
      "tags": [
        "South-Wales"
      ]
    },
    {
      "homophone": "pin (“pine”) (South Wales)"
    }
  ],
  "word": "p'un"
}

{
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "contraction"
      },
      "expansion": "p'un",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "contraction",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "which one?",
          "word": "pa un"
        }
      ],
      "categories": [
        "Welsh colloquialisms",
        "Welsh contractions",
        "Welsh determiners",
        "Welsh entries with incorrect language header",
        "Welsh entries with language name categories using raw markup",
        "Welsh non-lemma forms",
        "Welsh terms with IPA pronunciation",
        "Welsh terms with homophones",
        "Welsh terms with non-redundant non-automated sortkeys"
      ],
      "glosses": [
        "Contraction of pa un (“which one?”)."
      ],
      "links": [
        [
          "pa",
          "pa#Welsh"
        ],
        [
          "un",
          "un#Welsh"
        ]
      ],
      "raw_glosses": [
        "(colloquial, interrogative) Contraction of pa un (“which one?”)."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "colloquial",
        "contraction",
        "interrogative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/pɨːn/",
      "tags": [
        "North-Wales"
      ]
    },
    {
      "ipa": "/piːn/",
      "tags": [
        "South-Wales"
      ]
    },
    {
      "homophone": "pin (“pine”) (South Wales)"
    }
  ],
  "word": "p'un"
}