"kunas" meaning in Estonian

{
  "etymology_templates": [
    {
      "args": {
        "1": "et",
        "2": "kuna"
      },
      "expansion": "kuna",
      "name": "m"
    }
  ],
  "etymology_text": "See kuna.",
  "head_templates": [
    {
      "args": {
        "1": "et",
        "2": "adverbs",
        "3": "not comparable",
        "4": "",
        "head": ""
      },
      "expansion": "kunas (not comparable)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "kunas (not comparable)",
      "name": "et-adv"
    }
  ],
  "lang": "Estonian",
  "lang_code": "et",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Estonian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "When will the train arrive?",
          "text": "Kunas rong kohale jõuab?",
          "type": "example"
        }
      ],
      "glosses": [
        "when"
      ],
      "id": "en-kunas-et-adv-FeqnUkCu",
      "links": [
        [
          "when",
          "when"
        ]
      ],
      "raw_glosses": [
        "(uncommon) when"
      ],
      "synonyms": [
        {
          "word": "millal"
        },
        {
          "tags": [
            "colloquial"
          ],
          "word": "kuna"
        }
      ],
      "tags": [
        "not-comparable",
        "uncommon"
      ]
    }
  ],
  "word": "kunas"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "et",
        "2": "kuna"
      },
      "expansion": "kuna",
      "name": "m"
    }
  ],
  "etymology_text": "See kuna.",
  "head_templates": [
    {
      "args": {
        "1": "et",
        "2": "adverbs",
        "3": "not comparable",
        "4": "",
        "head": ""
      },
      "expansion": "kunas (not comparable)",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "kunas (not comparable)",
      "name": "et-adv"
    }
  ],
  "lang": "Estonian",
  "lang_code": "et",
  "pos": "adv",
  "senses": [
    {
      "categories": [
        "Estonian adverbs",
        "Estonian entries with incorrect language header",
        "Estonian lemmas",
        "Estonian terms with uncommon senses",
        "Estonian terms with usage examples"
      ],
      "examples": [
        {
          "english": "When will the train arrive?",
          "text": "Kunas rong kohale jõuab?",
          "type": "example"
        }
      ],
      "glosses": [
        "when"
      ],
      "links": [
        [
          "when",
          "when"
        ]
      ],
      "raw_glosses": [
        "(uncommon) when"
      ],
      "tags": [
        "not-comparable",
        "uncommon"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "millal"
    },
    {
      "tags": [
        "colloquial"
      ],
      "word": "kuna"
    }
  ],
  "word": "kunas"
}