"-na" meaning in Hawaiian

{
  "etymology_templates": [
    {
      "args": {
        "1": "poz-pol-pro",
        "2": "*-na"
      },
      "expansion": "Proto-Polynesian *-na",
      "name": "cog"
    },
    {
      "args": {
        "1": "haw",
        "2": "poz-pol-pro",
        "3": "*-ŋa"
      },
      "expansion": "Proto-Polynesian *-ŋa",
      "name": "der"
    }
  ],
  "etymology_text": "From Proto-Polynesian *-ŋa.",
  "head_templates": [
    {
      "args": {
        "1": "haw",
        "2": "suffix"
      },
      "expansion": "-na",
      "name": "head"
    }
  ],
  "lang": "Hawaiian",
  "lang_code": "haw",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Hawaiian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "ʻai → ʻaina"
        },
        {
          "text": "piʻi → piʻina"
        }
      ],
      "glosses": [
        "Common nominalizing suffix, sometimes with shortening of a long vowel in the base."
      ],
      "id": "en--na-haw-suffix-yV2pyNA3",
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/na/"
    },
    {
      "ipa": "[nə]"
    }
  ],
  "word": "-na"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "poz-pol-pro",
        "2": "*-na"
      },
      "expansion": "Proto-Polynesian *-na",
      "name": "cog"
    },
    {
      "args": {
        "1": "haw",
        "2": "poz-pol-pro",
        "3": "*-ŋa"
      },
      "expansion": "Proto-Polynesian *-ŋa",
      "name": "der"
    }
  ],
  "etymology_text": "From Proto-Polynesian *-ŋa.",
  "head_templates": [
    {
      "args": {
        "1": "haw",
        "2": "suffix"
      },
      "expansion": "-na",
      "name": "head"
    }
  ],
  "lang": "Hawaiian",
  "lang_code": "haw",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Hawaiian entries with incorrect language header",
        "Hawaiian lemmas",
        "Hawaiian suffixes",
        "Hawaiian terms derived from Proto-Polynesian",
        "Hawaiian terms with IPA pronunciation"
      ],
      "examples": [
        {
          "text": "ʻai → ʻaina"
        },
        {
          "text": "piʻi → piʻina"
        }
      ],
      "glosses": [
        "Common nominalizing suffix, sometimes with shortening of a long vowel in the base."
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/na/"
    },
    {
      "ipa": "[nə]"
    }
  ],
  "word": "-na"
}