"-ling" meaning in Icelandic

{
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "suffix form"
      },
      "expansion": "-ling",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "suffix",
  "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 raw sortkeys",
          "parents": [],
          "source": "w"
        },
        {
          "_dis": "23 3 1 5 6 3 2 12 3 5 3 21 3 3 5 1",
          "kind": "other",
          "name": "Pages with raw sortkeys",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "form_of": [
        {
          "word": "-lingur"
        }
      ],
      "glosses": [
        "indefinite accusative singular of -lingur"
      ],
      "id": "en--ling-is-suffix-o0-oBKek",
      "links": [
        [
          "-lingur",
          "-lingur#Icelandic"
        ]
      ],
      "tags": [
        "accusative",
        "form-of",
        "indefinite",
        "morpheme",
        "singular"
      ]
    }
  ],
  "word": "-ling"
}

{
  "categories": [
    "Old English diminutive suffixes",
    "Old English entries with incorrect language header",
    "Old English lemmas",
    "Old English masculine a-stem nouns",
    "Old English masculine suffixes",
    "Old English suffixes",
    "Old English terms derived from Proto-Germanic",
    "Old English terms derived from Proto-West Germanic",
    "Old English terms inherited from Proto-Germanic",
    "Old English terms inherited from Proto-West Germanic",
    "Old English terms with IPA pronunciation",
    "Old English terms with redundant head parameter",
    "Pages with raw sortkeys"
  ],
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "suffix form"
      },
      "expansion": "-ling",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Icelandic entries with incorrect language header",
        "Icelandic non-lemma forms",
        "Icelandic suffix forms",
        "Pages with raw sortkeys"
      ],
      "form_of": [
        {
          "word": "-lingur"
        }
      ],
      "glosses": [
        "indefinite accusative singular of -lingur"
      ],
      "links": [
        [
          "-lingur",
          "-lingur#Icelandic"
        ]
      ],
      "tags": [
        "accusative",
        "form-of",
        "indefinite",
        "morpheme",
        "singular"
      ]
    }
  ],
  "word": "-ling"
}