"biðja sér" meaning in Icelandic

{
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "verb"
      },
      "expansion": "biðja sér",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "biðja sér",
      "name": "is-verb"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Icelandic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "is",
          "name": "Marriage",
          "orig": "is:Marriage",
          "parents": [
            "Culture",
            "Family",
            "Society",
            "People",
            "All topics",
            "Human",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "to propose a marriage to someone"
      ],
      "id": "en-biðja_sér-is-verb-ddN~g8yE",
      "info_templates": [
        {
          "args": {
            "1": "is",
            "2": "acc"
          },
          "expansion": "[with accusative]",
          "extra_data": {
            "tags": [
              "accusative"
            ]
          },
          "name": "+obj"
        }
      ],
      "links": [
        [
          "propose",
          "propose"
        ],
        [
          "marriage",
          "marriage"
        ]
      ],
      "raw_glosses": [
        "to propose a marriage to someone [with accusative]"
      ]
    }
  ],
  "word": "biðja sér"
}

{
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "verb"
      },
      "expansion": "biðja sér",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "biðja sér",
      "name": "is-verb"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "verb",
  "senses": [
    {
      "categories": [
        "Icelandic entries with incorrect language header",
        "Icelandic lemmas",
        "Icelandic multiword terms",
        "Icelandic verbs",
        "Pages with 1 entry",
        "Pages with entries",
        "is:Marriage"
      ],
      "glosses": [
        "to propose a marriage to someone"
      ],
      "info_templates": [
        {
          "args": {
            "1": "is",
            "2": "acc"
          },
          "expansion": "[with accusative]",
          "extra_data": {
            "tags": [
              "accusative"
            ]
          },
          "name": "+obj"
        }
      ],
      "links": [
        [
          "propose",
          "propose"
        ],
        [
          "marriage",
          "marriage"
        ]
      ],
      "raw_glosses": [
        "to propose a marriage to someone [with accusative]"
      ]
    }
  ],
  "word": "biðja sér"
}