"эра" meaning in Russe

{
  "categories": [
    {
      "kind": "other",
      "name": "Lemmes en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Mots en russe issus d’un mot en latin",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Noms communs en russe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Russe",
      "orig": "russe",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Du latin aera."
  ],
  "forms": [
    {
      "form": "э́ра",
      "tags": [
        "singular",
        "nominative"
      ]
    },
    {
      "form": "э́ры",
      "tags": [
        "plural",
        "nominative"
      ]
    },
    {
      "form": "э́ры",
      "tags": [
        "singular",
        "genitive"
      ]
    },
    {
      "form": "э́р",
      "tags": [
        "plural",
        "genitive"
      ]
    },
    {
      "form": "э́ре",
      "tags": [
        "singular",
        "dative"
      ]
    },
    {
      "form": "э́рам",
      "tags": [
        "plural",
        "dative"
      ]
    },
    {
      "form": "э́ру",
      "tags": [
        "singular",
        "accusative"
      ]
    },
    {
      "form": "э́ры",
      "tags": [
        "plural",
        "accusative"
      ]
    },
    {
      "form": "э́рой",
      "tags": [
        "singular",
        "instrumental"
      ]
    },
    {
      "form": "э́рою",
      "tags": [
        "singular",
        "instrumental"
      ]
    },
    {
      "form": "э́рами",
      "tags": [
        "plural",
        "instrumental"
      ]
    },
    {
      "form": "э́ре",
      "tags": [
        "singular",
        "prepositional"
      ]
    },
    {
      "form": "э́рах",
      "tags": [
        "plural",
        "prepositional"
      ]
    },
    {
      "form": "Nom de type 1a selon Zaliznyak"
    }
  ],
  "lang": "Russe",
  "lang_code": "ru",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "féminin inanimé"
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en russe du temps",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Ère."
      ],
      "id": "fr-эра-ru-noun-CZ2ql1Me",
      "topics": [
        "time"
      ]
    },
    {
      "glosses": [
        "Longue période historique."
      ],
      "id": "fr-эра-ru-noun-bMEuauCM",
      "tags": [
        "broadly"
      ]
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en russe de la géologie",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Subdivision, seconde par durée après l'éon, de l'échelle des temps géologiques."
      ],
      "id": "fr-эра-ru-noun-aXToPRf1",
      "topics": [
        "geology"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "система летосчисления"
    },
    {
      "sense_index": 1,
      "word": "летосчисление"
    },
    {
      "word": "эпоха"
    },
    {
      "sense_index": 2,
      "word": "эон"
    },
    {
      "sense_index": 3,
      "word": "геологическая эра"
    }
  ],
  "word": "эра"
}

{
  "categories": [
    "Lemmes en russe",
    "Mots en russe issus d’un mot en latin",
    "Noms communs en russe",
    "russe"
  ],
  "etymology_texts": [
    "Du latin aera."
  ],
  "forms": [
    {
      "form": "э́ра",
      "tags": [
        "singular",
        "nominative"
      ]
    },
    {
      "form": "э́ры",
      "tags": [
        "plural",
        "nominative"
      ]
    },
    {
      "form": "э́ры",
      "tags": [
        "singular",
        "genitive"
      ]
    },
    {
      "form": "э́р",
      "tags": [
        "plural",
        "genitive"
      ]
    },
    {
      "form": "э́ре",
      "tags": [
        "singular",
        "dative"
      ]
    },
    {
      "form": "э́рам",
      "tags": [
        "plural",
        "dative"
      ]
    },
    {
      "form": "э́ру",
      "tags": [
        "singular",
        "accusative"
      ]
    },
    {
      "form": "э́ры",
      "tags": [
        "plural",
        "accusative"
      ]
    },
    {
      "form": "э́рой",
      "tags": [
        "singular",
        "instrumental"
      ]
    },
    {
      "form": "э́рою",
      "tags": [
        "singular",
        "instrumental"
      ]
    },
    {
      "form": "э́рами",
      "tags": [
        "plural",
        "instrumental"
      ]
    },
    {
      "form": "э́ре",
      "tags": [
        "singular",
        "prepositional"
      ]
    },
    {
      "form": "э́рах",
      "tags": [
        "plural",
        "prepositional"
      ]
    },
    {
      "form": "Nom de type 1a selon Zaliznyak"
    }
  ],
  "lang": "Russe",
  "lang_code": "ru",
  "pos": "noun",
  "pos_title": "Nom commun",
  "raw_tags": [
    "féminin inanimé"
  ],
  "senses": [
    {
      "categories": [
        "Lexique en russe du temps"
      ],
      "glosses": [
        "Ère."
      ],
      "topics": [
        "time"
      ]
    },
    {
      "glosses": [
        "Longue période historique."
      ],
      "tags": [
        "broadly"
      ]
    },
    {
      "categories": [
        "Lexique en russe de la géologie"
      ],
      "glosses": [
        "Subdivision, seconde par durée après l'éon, de l'échelle des temps géologiques."
      ],
      "topics": [
        "geology"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "система летосчисления"
    },
    {
      "sense_index": 1,
      "word": "летосчисление"
    },
    {
      "word": "эпоха"
    },
    {
      "sense_index": 2,
      "word": "эон"
    },
    {
      "sense_index": 3,
      "word": "геологическая эра"
    }
  ],
  "word": "эра"
}