"wrthat" meaning in Welsh

{
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "prepositional pronoun"
      },
      "expansion": "wrthat",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Welsh entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Welsh prepositional pronouns",
          "parents": [
            "Prepositional pronouns",
            "Prepositions",
            "Pronoun forms",
            "Lemmas",
            "Non-lemma forms",
            "Pronouns"
          ],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "extra": "“by you\", \"while you”",
          "word": "wrth"
        }
      ],
      "glosses": [
        "second-person singular of wrth: “by you\", \"while you”"
      ],
      "id": "en-wrthat-cy-pron-6CvgtJi1",
      "links": [
        [
          "wrth",
          "wrth#Welsh"
        ]
      ],
      "tags": [
        "form-of",
        "second-person",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈʊrθat/"
    }
  ],
  "word": "wrthat"
}

{
  "head_templates": [
    {
      "args": {
        "1": "cy",
        "2": "prepositional pronoun"
      },
      "expansion": "wrthat",
      "name": "head"
    }
  ],
  "lang": "Welsh",
  "lang_code": "cy",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        "Welsh entries with incorrect language header",
        "Welsh non-lemma forms",
        "Welsh prepositional pronouns",
        "Welsh terms with IPA pronunciation"
      ],
      "form_of": [
        {
          "extra": "“by you\", \"while you”",
          "word": "wrth"
        }
      ],
      "glosses": [
        "second-person singular of wrth: “by you\", \"while you”"
      ],
      "links": [
        [
          "wrth",
          "wrth#Welsh"
        ]
      ],
      "tags": [
        "form-of",
        "second-person",
        "singular"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈʊrθat/"
    }
  ],
  "word": "wrthat"
}