"einka-" meaning in Icelandic

{
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "gml",
        "3": "enkel",
        "t": "single"
      },
      "expansion": "Borrowed from Middle Low German enkel (“single”)",
      "name": "bor+"
    },
    {
      "args": {
        "1": "da",
        "2": "enkelt"
      },
      "expansion": "Danish enkelt",
      "name": "cog"
    }
  ],
  "etymology_text": "Borrowed from Middle Low German enkel (“single”), similar to Danish enkelt; see einn (“one”).",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "prefix"
      },
      "expansion": "einka-",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "prefix",
  "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"
        }
      ],
      "glosses": [
        "private"
      ],
      "id": "en-einka--is-prefix-cV3ISTw2",
      "links": [
        [
          "private",
          "private"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "einka-"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "gml",
        "3": "enkel",
        "t": "single"
      },
      "expansion": "Borrowed from Middle Low German enkel (“single”)",
      "name": "bor+"
    },
    {
      "args": {
        "1": "da",
        "2": "enkelt"
      },
      "expansion": "Danish enkelt",
      "name": "cog"
    }
  ],
  "etymology_text": "Borrowed from Middle Low German enkel (“single”), similar to Danish enkelt; see einn (“one”).",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "prefix"
      },
      "expansion": "einka-",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "prefix",
  "senses": [
    {
      "categories": [
        "Icelandic entries with incorrect language header",
        "Icelandic lemmas",
        "Icelandic prefixes",
        "Icelandic terms borrowed from Middle Low German",
        "Icelandic terms derived from Middle Low German",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "private"
      ],
      "links": [
        [
          "private",
          "private"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "word": "einka-"
}