"рука" meaning in Russian

{
  "etymology_text": ": рука < παλαιά ανατολική σλαβονική рѫка (r ǫ k a) < πρωτοσλαβική *rǫka",
  "forms": [
    {
      "form": "рука"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Ανθρώπινο σώμα (ρωσικά)",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "χέρι, μπράτσο"
      ],
      "id": "el-рука-ru-noun-Fvet5qOk",
      "raw_tags": [
        "ανθρώπινο σώμα"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "rʊˈka"
    }
  ],
  "word": "рука"
}

{
  "etymology_text": ": рука < παλαιά ανατολική σλαβονική рѫка (r ǫ k a) < πρωτοσλαβική *rǫka",
  "forms": [
    {
      "form": "рука"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Ανθρώπινο σώμα (ρωσικά)"
      ],
      "glosses": [
        "χέρι, μπράτσο"
      ],
      "raw_tags": [
        "ανθρώπινο σώμα"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "rʊˈka"
    }
  ],
  "word": "рука"
}