"-ски" meaning in Russian

{
  "forms": [
    {
      "form": "-ski",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "suffix",
        "cat2": "adverb-forming suffixes",
        "head": "-ски"
      },
      "expansion": "-ски • (-ski)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "english": "in Russian",
          "roman": "po-rússki",
          "text": "по-ру́сски",
          "type": "example"
        }
      ],
      "glosses": [
        "-ly, -cally, -ishly (adverbial suffix; the adverb form of -ский)"
      ],
      "id": "en--ски-ru-suffix-LxNRwDWL",
      "links": [
        [
          "-ly",
          "-ly"
        ],
        [
          "-cally",
          "-ly"
        ],
        [
          "-ishly",
          "-ly"
        ],
        [
          "-ский",
          "-ский#English"
        ]
      ],
      "related": [
        {
          "roman": "-íjskij",
          "word": "-и́йский"
        },
        {
          "roman": "-skij",
          "word": "-ский"
        }
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[skʲɪ]"
    }
  ],
  "word": "-ски"
}

{
  "forms": [
    {
      "form": "-ski",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "suffix",
        "cat2": "adverb-forming suffixes",
        "head": "-ски"
      },
      "expansion": "-ски • (-ski)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "suffix",
  "related": [
    {
      "roman": "-íjskij",
      "word": "-и́йский"
    },
    {
      "roman": "-skij",
      "word": "-ский"
    }
  ],
  "senses": [
    {
      "categories": [
        "Russian 1-syllable words",
        "Russian adverb-forming suffixes",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian suffixes",
        "Russian terms with IPA pronunciation",
        "Russian terms with redundant head parameter",
        "Russian terms with usage examples"
      ],
      "examples": [
        {
          "english": "in Russian",
          "roman": "po-rússki",
          "text": "по-ру́сски",
          "type": "example"
        }
      ],
      "glosses": [
        "-ly, -cally, -ishly (adverbial suffix; the adverb form of -ский)"
      ],
      "links": [
        [
          "-ly",
          "-ly"
        ],
        [
          "-cally",
          "-ly"
        ],
        [
          "-ishly",
          "-ly"
        ],
        [
          "-ский",
          "-ский#English"
        ]
      ],
      "tags": [
        "morpheme"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[skʲɪ]"
    }
  ],
  "word": "-ски"
}