"daga" meaning in Vieux norrois

{
  "categories": [
    {
      "kind": "other",
      "name": "Verbes en vieux norrois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Vieux norrois",
      "orig": "vieux norrois",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Vieux norrois",
  "lang_code": "non",
  "pos": "verb",
  "pos_title": "Verbe",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Verbes impersonnels en vieux norrois",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "S'éclairer à la lumière du lever de soleil."
      ],
      "id": "fr-daga-non-verb-rQvl6efK",
      "tags": [
        "impersonal"
      ]
    }
  ],
  "word": "daga"
}

{
  "categories": [
    "Verbes en vieux norrois",
    "vieux norrois"
  ],
  "lang": "Vieux norrois",
  "lang_code": "non",
  "pos": "verb",
  "pos_title": "Verbe",
  "senses": [
    {
      "categories": [
        "Verbes impersonnels en vieux norrois"
      ],
      "glosses": [
        "S'éclairer à la lumière du lever de soleil."
      ],
      "tags": [
        "impersonal"
      ]
    }
  ],
  "word": "daga"
}