"sërå" meaning in Proto-Samoyedic

{
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "nio",
            "2": "сыру"
          },
          "expansion": "Nganasan: сыру (sɨru)",
          "name": "desc"
        }
      ],
      "text": "Nganasan: сыру (sɨru)"
    },
    {
      "depth": 1,
      "templates": [],
      "text": "Nenets:"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "syd-fne",
            "2": "хэԓԓа"
          },
          "expansion": "Forest Nenets: хэԓԓа (xełła)",
          "name": "desc"
        }
      ],
      "text": "Forest Nenets: хэԓԓа (xełła)"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "yrk",
            "2": "сэ̇ра"
          },
          "expansion": "Tundra Nenets: сэ̇ра (sėra)",
          "name": "desc"
        }
      ],
      "text": "Tundra Nenets: сэ̇ра (sėra)"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "xas",
            "2": "сери"
          },
          "expansion": "Kamassian: сери (seri)",
          "name": "desc"
        }
      ],
      "text": "Kamassian: сери (seri)"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "syd-pro"
      },
      "expansion": "Unknown",
      "name": "unk"
    }
  ],
  "etymology_text": "Unknown.",
  "head_templates": [
    {
      "args": {
        "1": "syd-pro",
        "2": "noun"
      },
      "expansion": "*sërå",
      "name": "head"
    }
  ],
  "lang": "Proto-Samoyedic",
  "lang_code": "syd-pro",
  "original_title": "Reconstruction:Proto-Samoyedic/sërå",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Proto-Samoyedic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "widow"
      ],
      "id": "en-sërå-syd-pro-noun-KEWQzwMR",
      "links": [
        [
          "widow",
          "widow"
        ]
      ],
      "tags": [
        "reconstruction"
      ]
    },
    {
      "categories": [
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Proto-Samoyedic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "widower"
      ],
      "id": "en-sërå-syd-pro-noun-NDtlQ136",
      "links": [
        [
          "widower",
          "widower"
        ]
      ],
      "tags": [
        "reconstruction"
      ]
    }
  ],
  "word": "sërå"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Proto-Samoyedic entries with incorrect language header",
    "Proto-Samoyedic lemmas",
    "Proto-Samoyedic nouns",
    "Proto-Samoyedic terms with unknown etymologies"
  ],
  "descendants": [
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "nio",
            "2": "сыру"
          },
          "expansion": "Nganasan: сыру (sɨru)",
          "name": "desc"
        }
      ],
      "text": "Nganasan: сыру (sɨru)"
    },
    {
      "depth": 1,
      "templates": [],
      "text": "Nenets:"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "syd-fne",
            "2": "хэԓԓа"
          },
          "expansion": "Forest Nenets: хэԓԓа (xełła)",
          "name": "desc"
        }
      ],
      "text": "Forest Nenets: хэԓԓа (xełła)"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "yrk",
            "2": "сэ̇ра"
          },
          "expansion": "Tundra Nenets: сэ̇ра (sėra)",
          "name": "desc"
        }
      ],
      "text": "Tundra Nenets: сэ̇ра (sėra)"
    },
    {
      "depth": 1,
      "templates": [
        {
          "args": {
            "1": "xas",
            "2": "сери"
          },
          "expansion": "Kamassian: сери (seri)",
          "name": "desc"
        }
      ],
      "text": "Kamassian: сери (seri)"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "syd-pro"
      },
      "expansion": "Unknown",
      "name": "unk"
    }
  ],
  "etymology_text": "Unknown.",
  "head_templates": [
    {
      "args": {
        "1": "syd-pro",
        "2": "noun"
      },
      "expansion": "*sërå",
      "name": "head"
    }
  ],
  "lang": "Proto-Samoyedic",
  "lang_code": "syd-pro",
  "original_title": "Reconstruction:Proto-Samoyedic/sërå",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "widow"
      ],
      "links": [
        [
          "widow",
          "widow"
        ]
      ],
      "tags": [
        "reconstruction"
      ]
    },
    {
      "glosses": [
        "widower"
      ],
      "links": [
        [
          "widower",
          "widower"
        ]
      ],
      "tags": [
        "reconstruction"
      ]
    }
  ],
  "word": "sërå"
}