"-sla" meaning in Icelandic

{
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "-sla"
      },
      "expansion": "Old Norse -sla",
      "name": "inh"
    },
    {
      "args": {
        "1": "is",
        "2": "gem-pro",
        "3": "*-slą"
      },
      "expansion": "Proto-Germanic *-slą",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Norse -sla, from Proto-Germanic *-slą.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "suffix",
        "g": "f"
      },
      "expansion": "-sla f",
      "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"
        }
      ],
      "derived": [
        {
          "word": "aðfinnsla"
        },
        {
          "word": "áhersla"
        },
        {
          "word": "beiðsla"
        },
        {
          "word": "breiðsla"
        },
        {
          "word": "brennsla"
        },
        {
          "word": "eyðsla"
        },
        {
          "word": "framleiðsla"
        },
        {
          "word": "fræðsla"
        },
        {
          "word": "færsla"
        },
        {
          "word": "geymsla"
        },
        {
          "word": "greiðsla"
        },
        {
          "word": "gæsla"
        },
        {
          "word": "hersla"
        },
        {
          "word": "hirsla"
        },
        {
          "word": "hleðsla"
        },
        {
          "word": "hræðsla"
        },
        {
          "word": "kennsla"
        },
        {
          "word": "keyrsla"
        },
        {
          "word": "leiðsla"
        },
        {
          "word": "níðsla"
        },
        {
          "word": "reynsla"
        },
        {
          "word": "skýrsla"
        },
        {
          "word": "tínsla"
        },
        {
          "word": "varsla"
        },
        {
          "word": "veisla"
        },
        {
          "word": "vígsla"
        }
      ],
      "glosses": [
        "suffix that makes nouns from verbs, usually denoting the action of the verb, but sometimes the product or medium of the action"
      ],
      "id": "en--sla-is-suffix-7WRYlHID",
      "links": [
        [
          "noun",
          "noun"
        ],
        [
          "verb",
          "verb"
        ],
        [
          "action",
          "action"
        ],
        [
          "product",
          "product"
        ],
        [
          "medium",
          "medium"
        ]
      ],
      "tags": [
        "feminine",
        "morpheme"
      ]
    }
  ],
  "word": "-sla"
}

{
  "derived": [
    {
      "word": "aðfinnsla"
    },
    {
      "word": "áhersla"
    },
    {
      "word": "beiðsla"
    },
    {
      "word": "breiðsla"
    },
    {
      "word": "brennsla"
    },
    {
      "word": "eyðsla"
    },
    {
      "word": "framleiðsla"
    },
    {
      "word": "fræðsla"
    },
    {
      "word": "færsla"
    },
    {
      "word": "geymsla"
    },
    {
      "word": "greiðsla"
    },
    {
      "word": "gæsla"
    },
    {
      "word": "hersla"
    },
    {
      "word": "hirsla"
    },
    {
      "word": "hleðsla"
    },
    {
      "word": "hræðsla"
    },
    {
      "word": "kennsla"
    },
    {
      "word": "keyrsla"
    },
    {
      "word": "leiðsla"
    },
    {
      "word": "níðsla"
    },
    {
      "word": "reynsla"
    },
    {
      "word": "skýrsla"
    },
    {
      "word": "tínsla"
    },
    {
      "word": "varsla"
    },
    {
      "word": "veisla"
    },
    {
      "word": "vígsla"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "is",
        "2": "non",
        "3": "-sla"
      },
      "expansion": "Old Norse -sla",
      "name": "inh"
    },
    {
      "args": {
        "1": "is",
        "2": "gem-pro",
        "3": "*-slą"
      },
      "expansion": "Proto-Germanic *-slą",
      "name": "inh"
    }
  ],
  "etymology_text": "From Old Norse -sla, from Proto-Germanic *-slą.",
  "head_templates": [
    {
      "args": {
        "1": "is",
        "2": "suffix",
        "g": "f"
      },
      "expansion": "-sla f",
      "name": "head"
    }
  ],
  "lang": "Icelandic",
  "lang_code": "is",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Icelandic entries with incorrect language header",
        "Icelandic feminine suffixes",
        "Icelandic lemmas",
        "Icelandic suffixes",
        "Icelandic terms derived from Old Norse",
        "Icelandic terms derived from Proto-Germanic",
        "Icelandic terms inherited from Old Norse",
        "Icelandic terms inherited from Proto-Germanic"
      ],
      "glosses": [
        "suffix that makes nouns from verbs, usually denoting the action of the verb, but sometimes the product or medium of the action"
      ],
      "links": [
        [
          "noun",
          "noun"
        ],
        [
          "verb",
          "verb"
        ],
        [
          "action",
          "action"
        ],
        [
          "product",
          "product"
        ],
        [
          "medium",
          "medium"
        ]
      ],
      "tags": [
        "feminine",
        "morpheme"
      ]
    }
  ],
  "word": "-sla"
}