"se" meaning in Tocharian A

{
  "etymology_templates": [
    {
      "args": {
        "1": "xto",
        "2": "ine-pro",
        "3": "*suHyús"
      },
      "expansion": "Proto-Indo-European *suHyús",
      "name": "inh"
    },
    {
      "args": {
        "1": "txb",
        "2": "soy"
      },
      "expansion": "Tocharian B soy",
      "name": "cog"
    },
    {
      "args": {
        "1": "xcl",
        "2": "ուստր"
      },
      "expansion": "Old Armenian ուստր (ustr)",
      "name": "cog"
    },
    {
      "args": {
        "1": "grc",
        "2": "υἱύς"
      },
      "expansion": "Ancient Greek υἱύς (huiús)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Indo-European *suHyús. Cognate with Tocharian B soy, Old Armenian ուստր (ustr) and Ancient Greek υἱύς (huiús).",
  "head_templates": [
    {
      "args": {
        "1": "xto",
        "2": "noun",
        "g": "m"
      },
      "expansion": "se m",
      "name": "head"
    }
  ],
  "lang": "Tocharian A",
  "lang_code": "xto",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Tocharian A entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "xto",
          "name": "Family",
          "orig": "xto:Family",
          "parents": [
            "People",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "son"
      ],
      "id": "en-se-xto-noun-mKpmdUgl",
      "links": [
        [
          "son",
          "son"
        ]
      ],
      "related": [
        {
          "word": "ckācar"
        },
        {
          "word": "pācar"
        },
        {
          "word": "mācar"
        },
        {
          "word": "pracar"
        },
        {
          "word": "ṣar"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "se"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "xto",
        "2": "ine-pro",
        "3": "*suHyús"
      },
      "expansion": "Proto-Indo-European *suHyús",
      "name": "inh"
    },
    {
      "args": {
        "1": "txb",
        "2": "soy"
      },
      "expansion": "Tocharian B soy",
      "name": "cog"
    },
    {
      "args": {
        "1": "xcl",
        "2": "ուստր"
      },
      "expansion": "Old Armenian ուստր (ustr)",
      "name": "cog"
    },
    {
      "args": {
        "1": "grc",
        "2": "υἱύς"
      },
      "expansion": "Ancient Greek υἱύς (huiús)",
      "name": "cog"
    }
  ],
  "etymology_text": "From Proto-Indo-European *suHyús. Cognate with Tocharian B soy, Old Armenian ուստր (ustr) and Ancient Greek υἱύς (huiús).",
  "head_templates": [
    {
      "args": {
        "1": "xto",
        "2": "noun",
        "g": "m"
      },
      "expansion": "se m",
      "name": "head"
    }
  ],
  "lang": "Tocharian A",
  "lang_code": "xto",
  "pos": "noun",
  "related": [
    {
      "word": "ckācar"
    },
    {
      "word": "pācar"
    },
    {
      "word": "mācar"
    },
    {
      "word": "pracar"
    },
    {
      "word": "ṣar"
    }
  ],
  "senses": [
    {
      "categories": [
        "Tocharian A entries with incorrect language header",
        "Tocharian A lemmas",
        "Tocharian A masculine nouns",
        "Tocharian A nouns",
        "Tocharian A terms derived from Proto-Indo-European",
        "Tocharian A terms inherited from Proto-Indo-European",
        "xto:Family"
      ],
      "glosses": [
        "son"
      ],
      "links": [
        [
          "son",
          "son"
        ]
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "se"
}