"уй" meaning in Moksha

{
  "etymology_templates": [
    {
      "args": {
        "1": "mdf",
        "2": "urj-pro",
        "3": "*ajŋe",
        "4": "",
        "5": "brain"
      },
      "expansion": "Proto-Uralic *ajŋe (“brain”)",
      "name": "inh"
    },
    {
      "args": {
        "1": "fi",
        "2": "aivot",
        "3": "",
        "4": "brain"
      },
      "expansion": "Finnish aivot (“brain”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "et",
        "2": "aju",
        "3": "",
        "4": "brain, mind"
      },
      "expansion": "Estonian aju (“brain, mind”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "hu",
        "2": "agy",
        "3": "",
        "4": "brain"
      },
      "expansion": "Hungarian agy (“brain”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "mdf",
        "2": "urj-pro",
        "3": "*ojwa",
        "4": "",
        "5": "head"
      },
      "expansion": "Proto-Uralic *ojwa (“head”)",
      "name": "inh"
    },
    {
      "args": {
        "1": "mhr",
        "2": "вуй"
      },
      "expansion": "Eastern Mari вуй (vuj)",
      "name": "cog"
    },
    {
      "args": {
        "1": "fi",
        "2": "oiva"
      },
      "expansion": "Finnish oiva",
      "name": "cog"
    }
  ],
  "etymology_text": "Likely from Proto-Uralic *ajŋe (“brain”), which is cognate with Finnish aivot (“brain”), Estonian aju (“brain, mind”) and Hungarian agy (“brain”). Alternatively from Proto-Uralic *ojwa (“head”), in which case cognates include Eastern Mari вуй (vuj), Finnish oiva.",
  "forms": [
    {
      "form": "uj",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mdf",
        "2": "noun"
      },
      "expansion": "уй • (uj)",
      "name": "head"
    }
  ],
  "lang": "Moksha",
  "lang_code": "mdf",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Moksha entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "mdf",
          "name": "Anatomy",
          "orig": "mdf:Anatomy",
          "parents": [
            "Biology",
            "Medicine",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "brain"
      ],
      "id": "en-уй-mdf-noun-u796ZBLW",
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "brain",
          "brain"
        ]
      ],
      "raw_glosses": [
        "(anatomy) brain"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "уй"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "mdf",
        "2": "urj-pro",
        "3": "*ajŋe",
        "4": "",
        "5": "brain"
      },
      "expansion": "Proto-Uralic *ajŋe (“brain”)",
      "name": "inh"
    },
    {
      "args": {
        "1": "fi",
        "2": "aivot",
        "3": "",
        "4": "brain"
      },
      "expansion": "Finnish aivot (“brain”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "et",
        "2": "aju",
        "3": "",
        "4": "brain, mind"
      },
      "expansion": "Estonian aju (“brain, mind”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "hu",
        "2": "agy",
        "3": "",
        "4": "brain"
      },
      "expansion": "Hungarian agy (“brain”)",
      "name": "cog"
    },
    {
      "args": {
        "1": "mdf",
        "2": "urj-pro",
        "3": "*ojwa",
        "4": "",
        "5": "head"
      },
      "expansion": "Proto-Uralic *ojwa (“head”)",
      "name": "inh"
    },
    {
      "args": {
        "1": "mhr",
        "2": "вуй"
      },
      "expansion": "Eastern Mari вуй (vuj)",
      "name": "cog"
    },
    {
      "args": {
        "1": "fi",
        "2": "oiva"
      },
      "expansion": "Finnish oiva",
      "name": "cog"
    }
  ],
  "etymology_text": "Likely from Proto-Uralic *ajŋe (“brain”), which is cognate with Finnish aivot (“brain”), Estonian aju (“brain, mind”) and Hungarian agy (“brain”). Alternatively from Proto-Uralic *ojwa (“head”), in which case cognates include Eastern Mari вуй (vuj), Finnish oiva.",
  "forms": [
    {
      "form": "uj",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "mdf",
        "2": "noun"
      },
      "expansion": "уй • (uj)",
      "name": "head"
    }
  ],
  "lang": "Moksha",
  "lang_code": "mdf",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Moksha entries with incorrect language header",
        "Moksha lemmas",
        "Moksha nouns",
        "Moksha terms derived from Proto-Uralic",
        "Moksha terms inherited from Proto-Uralic",
        "mdf:Anatomy"
      ],
      "glosses": [
        "brain"
      ],
      "links": [
        [
          "anatomy",
          "anatomy"
        ],
        [
          "brain",
          "brain"
        ]
      ],
      "raw_glosses": [
        "(anatomy) brain"
      ],
      "topics": [
        "anatomy",
        "medicine",
        "sciences"
      ]
    }
  ],
  "word": "уй"
}