"pa" meaning in Proto-Samoyedic

{
  "descendants": [
    {
      "lang": "Nganasan",
      "lang_code": "nio",
      "roman": "xuaa",
      "word": "хуаа"
    },
    {
      "descendants": [
        {
          "lang": "Forest Enets",
          "lang_code": "enf",
          "roman": "pja",
          "word": "пя"
        }
      ],
      "lang": "Enets",
      "lang_code": "unknown"
    },
    {
      "descendants": [
        {
          "lang": "Forest Nenets",
          "lang_code": "syd-fne",
          "roman": "pya",
          "word": "пя"
        },
        {
          "lang": "Tundra Nenets",
          "lang_code": "yrk",
          "roman": "pya",
          "word": "пя"
        }
      ],
      "lang": "Nenets",
      "lang_code": "yrk"
    },
    {
      "lang": "Proto-Selkup",
      "lang_code": "sel-pro",
      "word": "*pō"
    },
    {
      "descendants": [
        {
          "lang": "Koibal",
          "lang_code": "zkb",
          "roman": "pa",
          "word": "па"
        }
      ],
      "lang": "Kamassian",
      "lang_code": "xas",
      "roman": "pʰa",
      "word": "пха"
    },
    {
      "lang": "Mator",
      "lang_code": "mtm",
      "roman": "hä",
      "word": "хӓ"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "syd-pro",
        "2": "urj-pro",
        "3": "*puwe",
        "4": "*puwe ~ *pawe"
      },
      "expansion": "Proto-Uralic *puwe ~ *pawe",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Uralic *puwe ~ *pawe.",
  "head_templates": [
    {
      "args": {
        "1": "syd-pro",
        "2": "noun"
      },
      "expansion": "*pa",
      "name": "head"
    }
  ],
  "lang": "Proto-Samoyedic",
  "lang_code": "syd-pro",
  "original_title": "Reconstruction:Proto-Samoyedic/pa",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "0 10 10 10 10 10 10 10 10 10 10",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Proto-Samoyedic entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "tree"
      ],
      "id": "en-pa-syd-pro-noun-3Jxe24st",
      "links": [
        [
          "tree",
          "tree"
        ]
      ],
      "tags": [
        "reconstruction"
      ]
    },
    {
      "categories": [
        {
          "_dis": "0 10 10 10 10 10 10 10 10 10 10",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "50 50",
          "kind": "other",
          "name": "Proto-Samoyedic entries with incorrect language header",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "wood"
      ],
      "id": "en-pa-syd-pro-noun-mfeFXreJ",
      "links": [
        [
          "wood",
          "wood"
        ]
      ],
      "tags": [
        "reconstruction"
      ]
    }
  ],
  "word": "pa"
}

{
  "categories": [
    "Pages with 1 entry",
    "Pages with entries",
    "Proto-Samoyedic entries with incorrect language header",
    "Proto-Samoyedic lemmas",
    "Proto-Samoyedic nouns",
    "Proto-Samoyedic terms derived from Proto-Uralic",
    "Proto-Samoyedic terms inherited from Proto-Uralic"
  ],
  "descendants": [
    {
      "lang": "Nganasan",
      "lang_code": "nio",
      "roman": "xuaa",
      "word": "хуаа"
    },
    {
      "descendants": [
        {
          "lang": "Forest Enets",
          "lang_code": "enf",
          "roman": "pja",
          "word": "пя"
        }
      ],
      "lang": "Enets",
      "lang_code": "unknown"
    },
    {
      "descendants": [
        {
          "lang": "Forest Nenets",
          "lang_code": "syd-fne",
          "roman": "pya",
          "word": "пя"
        },
        {
          "lang": "Tundra Nenets",
          "lang_code": "yrk",
          "roman": "pya",
          "word": "пя"
        }
      ],
      "lang": "Nenets",
      "lang_code": "yrk"
    },
    {
      "lang": "Proto-Selkup",
      "lang_code": "sel-pro",
      "word": "*pō"
    },
    {
      "descendants": [
        {
          "lang": "Koibal",
          "lang_code": "zkb",
          "roman": "pa",
          "word": "па"
        }
      ],
      "lang": "Kamassian",
      "lang_code": "xas",
      "roman": "pʰa",
      "word": "пха"
    },
    {
      "lang": "Mator",
      "lang_code": "mtm",
      "roman": "hä",
      "word": "хӓ"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "syd-pro",
        "2": "urj-pro",
        "3": "*puwe",
        "4": "*puwe ~ *pawe"
      },
      "expansion": "Proto-Uralic *puwe ~ *pawe",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Uralic *puwe ~ *pawe.",
  "head_templates": [
    {
      "args": {
        "1": "syd-pro",
        "2": "noun"
      },
      "expansion": "*pa",
      "name": "head"
    }
  ],
  "lang": "Proto-Samoyedic",
  "lang_code": "syd-pro",
  "original_title": "Reconstruction:Proto-Samoyedic/pa",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "tree"
      ],
      "links": [
        [
          "tree",
          "tree"
        ]
      ],
      "tags": [
        "reconstruction"
      ]
    },
    {
      "glosses": [
        "wood"
      ],
      "links": [
        [
          "wood",
          "wood"
        ]
      ],
      "tags": [
        "reconstruction"
      ]
    }
  ],
  "word": "pa"
}