"er" meaning in Danois

{
  "categories": [
    {
      "kind": "other",
      "name": "Formes de verbes en danois",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Danois",
      "orig": "danois",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Danois",
  "lang_code": "da",
  "pos": "verb",
  "pos_title": "Forme de verbe",
  "senses": [
    {
      "form_of": [
        {
          "word": "være"
        }
      ],
      "glosses": [
        "Présent de være."
      ],
      "id": "fr-er-da-verb-tukYOQUT"
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈæɐ̯\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "er"
}

{
  "categories": [
    "Formes de verbes en danois",
    "danois"
  ],
  "lang": "Danois",
  "lang_code": "da",
  "pos": "verb",
  "pos_title": "Forme de verbe",
  "senses": [
    {
      "form_of": [
        {
          "word": "være"
        }
      ],
      "glosses": [
        "Présent de være."
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ˈæɐ̯\\"
    }
  ],
  "tags": [
    "form-of"
  ],
  "word": "er"
}