"er" meaning in Danish

{
  "etymology_templates": [
    {
      "args": {
        "1": "da",
        "2": "gmq-oda",
        "3": "ær"
      },
      "expansion": "Old Danish ær",
      "name": "inh"
    },
    {
      "args": {
        "1": "da",
        "2": "gem-pro",
        "3": "*wesaną",
        "4": "*izum, *izud"
      },
      "expansion": "Proto-Germanic *izum, *izud",
      "name": "inh"
    },
    {
      "args": {
        "1": "da",
        "2": "ine-pro",
        "3": "*h₁es-",
        "4": "",
        "5": "to be"
      },
      "expansion": "Proto-Indo-European *h₁es- (“to be”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Old Danish ær, Proto-Germanic *izum, *izud, from Proto-Indo-European *h₁es- (“to be”). The infinitive of the verb (være) is from a different PIE root; the present tense is suppletive.",
  "head_templates": [
    {
      "args": {
        "1": "da",
        "2": "verb form"
      },
      "expansion": "er",
      "name": "head"
    }
  ],
  "lang": "Danish",
  "lang_code": "da",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Danish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 54 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "form_of": [
        {
          "word": "være"
        }
      ],
      "glosses": [
        "present of være"
      ],
      "id": "en-er-da-verb-GverpprT",
      "links": [
        [
          "være",
          "være#Danish"
        ]
      ],
      "tags": [
        "form-of",
        "present"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɛr/"
    },
    {
      "ipa": "[ɛɐ̯]"
    },
    {
      "ipa": "[ɛɒ̯̽]"
    }
  ],
  "word": "er"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "da",
        "2": "gmq-oda",
        "3": "ær"
      },
      "expansion": "Old Danish ær",
      "name": "inh"
    },
    {
      "args": {
        "1": "da",
        "2": "gem-pro",
        "3": "*wesaną",
        "4": "*izum, *izud"
      },
      "expansion": "Proto-Germanic *izum, *izud",
      "name": "inh"
    },
    {
      "args": {
        "1": "da",
        "2": "ine-pro",
        "3": "*h₁es-",
        "4": "",
        "5": "to be"
      },
      "expansion": "Proto-Indo-European *h₁es- (“to be”)",
      "name": "der"
    }
  ],
  "etymology_text": "From Old Danish ær, Proto-Germanic *izum, *izud, from Proto-Indo-European *h₁es- (“to be”). The infinitive of the verb (være) is from a different PIE root; the present tense is suppletive.",
  "head_templates": [
    {
      "args": {
        "1": "da",
        "2": "verb form"
      },
      "expansion": "er",
      "name": "head"
    }
  ],
  "lang": "Danish",
  "lang_code": "da",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Danish entries with incorrect language header",
        "Danish non-lemma forms",
        "Danish terms derived from Old Danish",
        "Danish terms derived from Proto-Germanic",
        "Danish terms derived from Proto-Indo-European",
        "Danish terms inherited from Old Danish",
        "Danish terms inherited from Proto-Germanic",
        "Danish verb forms",
        "Pages with 54 entries",
        "Pages with entries"
      ],
      "form_of": [
        {
          "word": "være"
        }
      ],
      "glosses": [
        "present of være"
      ],
      "links": [
        [
          "være",
          "være#Danish"
        ]
      ],
      "tags": [
        "form-of",
        "present"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɛr/"
    },
    {
      "ipa": "[ɛɐ̯]"
    },
    {
      "ipa": "[ɛɒ̯̽]"
    }
  ],
  "word": "er"
}