"nada" meaning in Proto-Ryukyuan

{
  "descendants": [
    {
      "depth": 1,
      "templates": [],
      "text": "Northern Ryukyuan:"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "xug",
            "2": "灘",
            "tr": "nadā",
            "ts": "nàdǎː"
          },
          "expansion": "Kunigami: 灘 (nadā /⁠nàdǎː⁠/)",
          "name": "desc"
        }
      ],
      "text": "Kunigami: 灘 (nadā /⁠nàdǎː⁠/)"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "ryn",
            "2": "灘",
            "tr": "nada"
          },
          "expansion": "Northern Amami Ōshima: 灘 (nada)",
          "name": "desc"
        }
      ],
      "text": "Northern Amami Ōshima: 灘 (nada)"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "ryu",
            "2": "灘",
            "tr": "nada",
            "ts": "nàdà"
          },
          "expansion": "Okinawan: 灘 (nada /⁠nàdà⁠/)",
          "name": "desc"
        }
      ],
      "text": "Okinawan: 灘 (nada /⁠nàdà⁠/)"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "jpx-ryu-pro",
        "2": "jpx-pro",
        "3": "*nanta",
        "t": "an ocean with strong currents that is difficult to pass through"
      },
      "expansion": "Proto-Japonic *nanta (“an ocean with strong currents that is difficult to pass through”)",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Japonic *nanta (“an ocean with strong currents that is difficult to pass through”).",
  "head_templates": [
    {
      "args": {
        "1": "jpx-ryu-pro",
        "2": "noun"
      },
      "expansion": "*nada",
      "name": "head"
    }
  ],
  "lang": "Proto-Ryukyuan",
  "lang_code": "jpx-ryu-pro",
  "original_title": "Reconstruction:Proto-Ryukyuan/nada",
  "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": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "an ocean with strong currents that is difficult to pass through"
      ],
      "id": "en-nada-jpx-ryu-pro-noun-gl1sTFjO",
      "links": [
        [
          "ocean",
          "ocean"
        ]
      ],
      "tags": [
        "reconstruction"
      ]
    }
  ],
  "word": "nada"
}

{
  "descendants": [
    {
      "depth": 1,
      "templates": [],
      "text": "Northern Ryukyuan:"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "xug",
            "2": "灘",
            "tr": "nadā",
            "ts": "nàdǎː"
          },
          "expansion": "Kunigami: 灘 (nadā /⁠nàdǎː⁠/)",
          "name": "desc"
        }
      ],
      "text": "Kunigami: 灘 (nadā /⁠nàdǎː⁠/)"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "ryn",
            "2": "灘",
            "tr": "nada"
          },
          "expansion": "Northern Amami Ōshima: 灘 (nada)",
          "name": "desc"
        }
      ],
      "text": "Northern Amami Ōshima: 灘 (nada)"
    },
    {
      "depth": 2,
      "templates": [
        {
          "args": {
            "1": "ryu",
            "2": "灘",
            "tr": "nada",
            "ts": "nàdà"
          },
          "expansion": "Okinawan: 灘 (nada /⁠nàdà⁠/)",
          "name": "desc"
        }
      ],
      "text": "Okinawan: 灘 (nada /⁠nàdà⁠/)"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "jpx-ryu-pro",
        "2": "jpx-pro",
        "3": "*nanta",
        "t": "an ocean with strong currents that is difficult to pass through"
      },
      "expansion": "Proto-Japonic *nanta (“an ocean with strong currents that is difficult to pass through”)",
      "name": "inh"
    }
  ],
  "etymology_text": "From Proto-Japonic *nanta (“an ocean with strong currents that is difficult to pass through”).",
  "head_templates": [
    {
      "args": {
        "1": "jpx-ryu-pro",
        "2": "noun"
      },
      "expansion": "*nada",
      "name": "head"
    }
  ],
  "lang": "Proto-Ryukyuan",
  "lang_code": "jpx-ryu-pro",
  "original_title": "Reconstruction:Proto-Ryukyuan/nada",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Proto-Ryukyuan entries with incorrect language header",
        "Proto-Ryukyuan lemmas",
        "Proto-Ryukyuan nouns",
        "Proto-Ryukyuan terms derived from Proto-Japonic",
        "Proto-Ryukyuan terms inherited from Proto-Japonic"
      ],
      "glosses": [
        "an ocean with strong currents that is difficult to pass through"
      ],
      "links": [
        [
          "ocean",
          "ocean"
        ]
      ],
      "tags": [
        "reconstruction"
      ]
    }
  ],
  "word": "nada"
}