"-ийски" meaning in Russe

{
  "categories": [
    {
      "kind": "other",
      "name": "Adverbes en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Suffixes en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Russe",
      "orig": "russe",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Russe",
  "lang_code": "ru",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "senses": [
    {
      "glosses": [
        "-ment"
      ],
      "id": "fr--ийски-ru-suffix-l6KDsNUz"
    }
  ],
  "synonyms": [
    {
      "word": "-ийский"
    },
    {
      "word": "-ский"
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "-ийски"
}

{
  "categories": [
    "Adverbes en russe",
    "Suffixes en russe",
    "russe"
  ],
  "lang": "Russe",
  "lang_code": "ru",
  "pos": "suffix",
  "pos_title": "Suffixe",
  "senses": [
    {
      "glosses": [
        "-ment"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "-ийский"
    },
    {
      "word": "-ский"
    }
  ],
  "tags": [
    "morpheme"
  ],
  "word": "-ийски"
}