"dua" meaning in Fijian

{
  "etymology_text": "From Proto-Central-Eastern Oceanic *tewa.",
  "head_templates": [
    {
      "args": {
        "1": "fj",
        "2": "numeral"
      },
      "expansion": "dua",
      "name": "head"
    }
  ],
  "lang": "Fijian",
  "lang_code": "fj",
  "pos": "num",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "name": "Fijian cardinal numbers",
          "parents": [
            "Cardinal numbers",
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Fijian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "one"
      ],
      "id": "en-dua-fj-num-dpLDrTVA",
      "links": [
        [
          "one",
          "one"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ⁿdu.a/"
    }
  ],
  "word": "dua"
}

{
  "categories": [
    "White Hmong adverbs",
    "White Hmong entries with incorrect language header",
    "White Hmong lemmas",
    "White Hmong terms with IPA pronunciation",
    "White Hmong verbs"
  ],
  "etymology_text": "From Proto-Central-Eastern Oceanic *tewa.",
  "head_templates": [
    {
      "args": {
        "1": "fj",
        "2": "numeral"
      },
      "expansion": "dua",
      "name": "head"
    }
  ],
  "lang": "Fijian",
  "lang_code": "fj",
  "pos": "num",
  "senses": [
    {
      "categories": [
        "Fijian cardinal numbers",
        "Fijian entries with incorrect language header",
        "Fijian lemmas",
        "Fijian numerals",
        "Fijian terms with IPA pronunciation"
      ],
      "glosses": [
        "one"
      ],
      "links": [
        [
          "one",
          "one"
        ]
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ⁿdu.a/"
    }
  ],
  "word": "dua"
}

{
  "called_from": "form_descriptions/1698",
  "msg": "unrecognized head form: ^",
  "path": [
    "dua"
  ],
  "section": "Fijian",
  "subsection": "numeral",
  "title": "dua",
  "trace": ""
}