"sū" meaning in Livonian

{
  "etymology_templates": [
    {
      "args": {
        "1": "liv",
        "2": "urj-fin-pro",
        "3": "*suu"
      },
      "expansion": "Proto-Finnic *suu",
      "name": "inh"
    },
    {
      "args": {
        "1": "liv",
        "2": "urj-pro",
        "3": "*śuwe"
      },
      "expansion": "Proto-Uralic *śuwe",
      "name": "der"
    },
    {
      "args": {
        "1": "et",
        "2": "suu"
      },
      "expansion": "Estonian suu",
      "name": "cog"
    },
    {
      "args": {
        "1": "fi",
        "2": "suu"
      },
      "expansion": "Finnish suu",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Finnic *suu, from Proto-Uralic *śuwe. Cognates include Estonian suu and Finnish suu.",
  "head_templates": [
    {
      "args": {
        "1": "liv",
        "2": "noun"
      },
      "expansion": "sū",
      "name": "head"
    }
  ],
  "lang": "Livonian",
  "lang_code": "liv",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Livonian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 5 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "liv",
          "name": "Face",
          "orig": "liv:Face",
          "parents": [
            "Head and neck",
            "Body parts",
            "Body",
            "Anatomy",
            "All topics",
            "Biology",
            "Medicine",
            "Fundamental",
            "Sciences",
            "Healthcare",
            "Health"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "mouth"
      ],
      "id": "en-sū-liv-noun-TPNc-HQ1",
      "links": [
        [
          "mouth",
          "mouth"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsuː/"
    }
  ],
  "word": "sū"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "liv",
        "2": "urj-fin-pro",
        "3": "*suu"
      },
      "expansion": "Proto-Finnic *suu",
      "name": "inh"
    },
    {
      "args": {
        "1": "liv",
        "2": "urj-pro",
        "3": "*śuwe"
      },
      "expansion": "Proto-Uralic *śuwe",
      "name": "der"
    },
    {
      "args": {
        "1": "et",
        "2": "suu"
      },
      "expansion": "Estonian suu",
      "name": "cog"
    },
    {
      "args": {
        "1": "fi",
        "2": "suu"
      },
      "expansion": "Finnish suu",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Finnic *suu, from Proto-Uralic *śuwe. Cognates include Estonian suu and Finnish suu.",
  "head_templates": [
    {
      "args": {
        "1": "liv",
        "2": "noun"
      },
      "expansion": "sū",
      "name": "head"
    }
  ],
  "lang": "Livonian",
  "lang_code": "liv",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Livonian entries with incorrect language header",
        "Livonian lemmas",
        "Livonian nouns",
        "Livonian terms derived from Proto-Finnic",
        "Livonian terms derived from Proto-Uralic",
        "Livonian terms inherited from Proto-Finnic",
        "Pages with 5 entries",
        "Pages with entries",
        "liv:Face"
      ],
      "glosses": [
        "mouth"
      ],
      "links": [
        [
          "mouth",
          "mouth"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsuː/"
    }
  ],
  "word": "sū"
}