"(o)matu" meaning in Proto-Ryukyuan

{
  "descendants": [
    {
      "descendants": [
        {
          "lang": "Kikai",
          "lang_code": "kzg",
          "roman": "umatu",
          "word": "うまとぅ"
        },
        {
          "lang": "Northern Amami Ōshima",
          "lang_code": "ryn",
          "roman": "'matsï",
          "word": "’まつぃ"
        },
        {
          "lang": "Okinawan",
          "lang_code": "ryu",
          "roman": "umātsi",
          "word": "うまーつぃ"
        },
        {
          "lang": "Okinawan",
          "lang_code": "ryu",
          "roman": "umatsi",
          "word": "うまつぃ"
        },
        {
          "lang": "Okinoerabu",
          "lang_code": "okn",
          "roman": "machi",
          "word": "まち"
        },
        {
          "lang": "Southern Amami Ōshima",
          "lang_code": "ams",
          "roman": "umat",
          "word": "うまㇳ"
        },
        {
          "lang": "Tokunoshima",
          "lang_code": "tkn",
          "roman": "'matsï",
          "word": "っまつぃ゚"
        },
        {
          "lang": "Yoron",
          "lang_code": "yox",
          "roman": "machi",
          "word": "まち"
        }
      ],
      "lang": "Northern Ryukyuan",
      "lang_code": "unknown"
    },
    {
      "descendants": [
        {
          "lang": "Miyako",
          "lang_code": "mvi",
          "roman": "umatsɿ",
          "word": "うまつぃ゚"
        }
      ],
      "lang": "Southern Ryukyuan",
      "lang_code": "unknown"
    }
  ],
  "etymology_text": "The last two morae might be derived from *matu (“pine”), as they were used to make fire.",
  "forms": [
    {
      "form": "matu",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "jpx-ryu-pro",
        "2": "noun"
      },
      "expansion": "*(o)matu",
      "name": "head"
    }
  ],
  "lang": "Proto-Ryukyuan",
  "lang_code": "jpx-ryu-pro",
  "original_title": "Reconstruction:Proto-Ryukyuan/(o)matu",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Proto-Ryukyuan entries with incorrect language header",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "fire"
      ],
      "id": "en-(o)matu-jpx-ryu-pro-noun-3J8osS3R",
      "links": [
        [
          "fire",
          "fire"
        ]
      ],
      "synonyms": [
        {
          "word": "*pi"
        }
      ],
      "tags": [
        "reconstruction"
      ]
    }
  ],
  "word": "(o)matu"
}

{
  "descendants": [
    {
      "descendants": [
        {
          "lang": "Kikai",
          "lang_code": "kzg",
          "roman": "umatu",
          "word": "うまとぅ"
        },
        {
          "lang": "Northern Amami Ōshima",
          "lang_code": "ryn",
          "roman": "'matsï",
          "word": "’まつぃ"
        },
        {
          "lang": "Okinawan",
          "lang_code": "ryu",
          "roman": "umātsi",
          "word": "うまーつぃ"
        },
        {
          "lang": "Okinawan",
          "lang_code": "ryu",
          "roman": "umatsi",
          "word": "うまつぃ"
        },
        {
          "lang": "Okinoerabu",
          "lang_code": "okn",
          "roman": "machi",
          "word": "まち"
        },
        {
          "lang": "Southern Amami Ōshima",
          "lang_code": "ams",
          "roman": "umat",
          "word": "うまㇳ"
        },
        {
          "lang": "Tokunoshima",
          "lang_code": "tkn",
          "roman": "'matsï",
          "word": "っまつぃ゚"
        },
        {
          "lang": "Yoron",
          "lang_code": "yox",
          "roman": "machi",
          "word": "まち"
        }
      ],
      "lang": "Northern Ryukyuan",
      "lang_code": "unknown"
    },
    {
      "descendants": [
        {
          "lang": "Miyako",
          "lang_code": "mvi",
          "roman": "umatsɿ",
          "word": "うまつぃ゚"
        }
      ],
      "lang": "Southern Ryukyuan",
      "lang_code": "unknown"
    }
  ],
  "etymology_text": "The last two morae might be derived from *matu (“pine”), as they were used to make fire.",
  "forms": [
    {
      "form": "matu",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "jpx-ryu-pro",
        "2": "noun"
      },
      "expansion": "*(o)matu",
      "name": "head"
    }
  ],
  "lang": "Proto-Ryukyuan",
  "lang_code": "jpx-ryu-pro",
  "original_title": "Reconstruction:Proto-Ryukyuan/(o)matu",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Proto-Ryukyuan entries with incorrect language header",
        "Proto-Ryukyuan lemmas",
        "Proto-Ryukyuan nouns"
      ],
      "glosses": [
        "fire"
      ],
      "links": [
        [
          "fire",
          "fire"
        ]
      ],
      "synonyms": [
        {
          "word": "*pi"
        }
      ],
      "tags": [
        "reconstruction"
      ]
    }
  ],
  "word": "(o)matu"
}