"семидесятых" meaning in Russian

{
  "forms": [
    {
      "form": "семидеся́тых",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "semidesjátyx",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "adjective form",
        "head": "семидеся́тых"
      },
      "expansion": "семидеся́тых • (semidesjátyx)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "inflection of семидеся́тый (semidesjátyj):",
        "genitive/prepositional plural"
      ],
      "id": "en-семидесятых-ru-adj-ntnddTgu",
      "links": [
        [
          "семидеся́тый",
          "семидесятый#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "genitive",
        "plural",
        "prepositional"
      ]
    },
    {
      "categories": [
        {
          "_dis": "43 57",
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "inflection of семидеся́тый (semidesjátyj):",
        "accusative plural animate"
      ],
      "id": "en-семидесятых-ru-adj-yVi-ihuQ",
      "links": [
        [
          "семидеся́тый",
          "семидесятый#Russian"
        ]
      ],
      "tags": [
        "accusative",
        "animate",
        "form-of",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[sʲɪmʲɪdʲɪˈsʲatɨx]"
    }
  ],
  "word": "семидесятых"
}

{
  "categories": [
    "Russian 5-syllable words",
    "Russian adjective forms",
    "Russian entries with incorrect language header",
    "Russian non-lemma forms",
    "Russian terms with IPA pronunciation"
  ],
  "forms": [
    {
      "form": "семидеся́тых",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "semidesjátyx",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "adjective form",
        "head": "семидеся́тых"
      },
      "expansion": "семидеся́тых • (semidesjátyx)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "adj",
  "senses": [
    {
      "glosses": [
        "inflection of семидеся́тый (semidesjátyj):",
        "genitive/prepositional plural"
      ],
      "links": [
        [
          "семидеся́тый",
          "семидесятый#Russian"
        ]
      ],
      "tags": [
        "form-of",
        "genitive",
        "plural",
        "prepositional"
      ]
    },
    {
      "glosses": [
        "inflection of семидеся́тый (semidesjátyj):",
        "accusative plural animate"
      ],
      "links": [
        [
          "семидеся́тый",
          "семидесятый#Russian"
        ]
      ],
      "tags": [
        "accusative",
        "animate",
        "form-of",
        "plural"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[sʲɪmʲɪdʲɪˈsʲatɨx]"
    }
  ],
  "word": "семидесятых"
}