"doba kamenná" meaning in All languages combined

{
  "categories": [
    {
      "kind": "other",
      "name": "Требуется категоризация/cs",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Устойчивые сочетания/cs",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Чешский язык",
      "parents": [],
      "source": "w"
    }
  ],
  "lang": "Чешский",
  "lang_code": "cs",
  "pos": "phrase",
  "senses": [
    {
      "glosses": [
        "каменный век"
      ],
      "id": "ru-doba_kamenná-cs-phrase-96auH-Mt",
      "raw_glosses": [
        "археол. каменный век"
      ],
      "topics": [
        "history"
      ]
    }
  ],
  "word": "doba kamenná"
}

{
  "categories": [
    "Требуется категоризация/cs",
    "Устойчивые сочетания/cs",
    "Чешский язык"
  ],
  "lang": "Чешский",
  "lang_code": "cs",
  "pos": "phrase",
  "senses": [
    {
      "glosses": [
        "каменный век"
      ],
      "raw_glosses": [
        "археол. каменный век"
      ],
      "topics": [
        "history"
      ]
    }
  ],
  "word": "doba kamenná"
}