"кста" meaning in Russian

{
  "forms": [
    {
      "form": "ksta",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "кста",
        "2": "-"
      },
      "expansion": "кста • (ksta) (no comparative)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(kstáti); btw",
          "word": "кста́ти"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ru",
          "name": "Internet",
          "orig": "ru:Internet",
          "parents": [
            "Computing",
            "Networking",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Clipping of кста́ти (kstáti); btw"
      ],
      "id": "en-кста-ru-adv-esGJQP54",
      "links": [
        [
          "youth",
          "youth"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "Internet",
          "Internet"
        ],
        [
          "кста́ти",
          "кстати#Russian"
        ],
        [
          "btw",
          "btw"
        ]
      ],
      "qualifier": "youth slang",
      "raw_glosses": [
        "(youth slang, Internet) Clipping of кста́ти (kstáti); btw"
      ],
      "tags": [
        "Internet",
        "abbreviation",
        "alt-of",
        "clipping",
        "no-comparative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ksta]"
    }
  ],
  "word": "кста"
}

{
  "forms": [
    {
      "form": "ksta",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "кста",
        "2": "-"
      },
      "expansion": "кста • (ksta) (no comparative)",
      "name": "ru-adv"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adv",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "(kstáti); btw",
          "word": "кста́ти"
        }
      ],
      "categories": [
        "Pages with 1 entry",
        "Pages with entries",
        "Russian 1-syllable words",
        "Russian adverbs",
        "Russian clippings",
        "Russian entries with incorrect language header",
        "Russian lemmas",
        "Russian slang",
        "Russian terms with IPA pronunciation",
        "Russian terms with redundant head parameter",
        "ru:Internet"
      ],
      "glosses": [
        "Clipping of кста́ти (kstáti); btw"
      ],
      "links": [
        [
          "youth",
          "youth"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "Internet",
          "Internet"
        ],
        [
          "кста́ти",
          "кстати#Russian"
        ],
        [
          "btw",
          "btw"
        ]
      ],
      "qualifier": "youth slang",
      "raw_glosses": [
        "(youth slang, Internet) Clipping of кста́ти (kstáti); btw"
      ],
      "tags": [
        "Internet",
        "abbreviation",
        "alt-of",
        "clipping",
        "no-comparative"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[ksta]"
    }
  ],
  "word": "кста"
}