"-ski" meaning in Finnish

{
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "-ska",
        "3": "-i",
        "id1": "diminutive",
        "id2": "nominal"
      },
      "expansion": "-ska + -i",
      "name": "suffix"
    },
    {
      "args": {
        "1": "ru",
        "2": "-ский"
      },
      "expansion": "Russian -ский (-skij)",
      "name": "ncog"
    }
  ],
  "etymology_text": "As with many slang suffixes, there are probably multiple origins. The main origin is probably -ska + -i, but there is almost certainly at least some inspiration taken from Russian -ский (-skij).",
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "suffix"
      },
      "expansion": "-ski",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Finnish entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Finnish terms suffixed with -i (nominal)",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Slang suffix, generally for nouns (with clipping)."
      ],
      "id": "en--ski-fi-suffix-ck3zaM5v",
      "tags": [
        "morpheme",
        "slang"
      ]
    }
  ],
  "word": "-ski"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "fi",
        "2": "-ska",
        "3": "-i",
        "id1": "diminutive",
        "id2": "nominal"
      },
      "expansion": "-ska + -i",
      "name": "suffix"
    },
    {
      "args": {
        "1": "ru",
        "2": "-ский"
      },
      "expansion": "Russian -ский (-skij)",
      "name": "ncog"
    }
  ],
  "etymology_text": "As with many slang suffixes, there are probably multiple origins. The main origin is probably -ska + -i, but there is almost certainly at least some inspiration taken from Russian -ский (-skij).",
  "head_templates": [
    {
      "args": {
        "1": "fi",
        "2": "suffix"
      },
      "expansion": "-ski",
      "name": "head"
    }
  ],
  "lang": "Finnish",
  "lang_code": "fi",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "Finnish entries with incorrect language header",
        "Finnish lemmas",
        "Finnish slang",
        "Finnish suffixes",
        "Finnish terms suffixed with -i (nominal)"
      ],
      "glosses": [
        "Slang suffix, generally for nouns (with clipping)."
      ],
      "tags": [
        "morpheme",
        "slang"
      ]
    }
  ],
  "word": "-ski"
}