"ей" meaning in Russian

{
  "forms": [
    {
      "form": "jej",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ней",
      "roman": "nej",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "е́ю",
      "roman": "jéju",
      "tags": [
        "alternative",
        "dated",
        "dialectal",
        "poetic"
      ]
    },
    {
      "form": "не́ю",
      "roman": "néju",
      "tags": [
        "alternative",
        "dated",
        "dialectal",
        "poetic"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "pronoun form"
      },
      "expansion": "ей • (jej)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Pages with 3 entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Russian entries with incorrect language header",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_english_offsets": [
            [
              66,
              69
            ]
          ],
          "bold_text_offsets": [
            [
              74,
              76
            ]
          ],
          "english": "'She can't let it go like that,' he cried at last, 'I won't allow her to play with my life so mercilessly.'",
          "ref": "1867, Иван Тургенев [Ivan Turgenev], “XXV”, in Дым; English translation from Constance Garnett, transl., Smoke, 1896:",
          "roman": "«Étovo nelʹzjá tak ostávitʹ, — vosklíknul on nakonéc, — ja ne pozvólju jej tak bezžálostno igrátʹ mojéju žízniju…»",
          "text": "«Э́того нельзя́ так оста́вить, — воскли́кнул он наконе́ц, — я не позво́лю ей так безжа́лостно игра́ть мое́ю жи́знию…»",
          "type": "quote"
        }
      ],
      "form_of": [
        {
          "extra": "oná",
          "word": "она́"
        }
      ],
      "glosses": [
        "dative/instrumental of она́ (oná)"
      ],
      "id": "en-ей-ru-pron-mUu5YiNX",
      "links": [
        [
          "она́",
          "она#Russian"
        ]
      ],
      "tags": [
        "dative",
        "form-of",
        "instrumental"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[jej]"
    },
    {
      "audio": "Ru-ей.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8c/Ru-%D0%B5%D0%B9.ogg/Ru-%D0%B5%D0%B9.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/8/8c/Ru-%D0%B5%D0%B9.ogg"
    }
  ],
  "word": "ей"
}

{
  "forms": [
    {
      "form": "jej",
      "tags": [
        "romanization"
      ]
    },
    {
      "form": "ней",
      "roman": "nej",
      "tags": [
        "alternative"
      ]
    },
    {
      "form": "е́ю",
      "roman": "jéju",
      "tags": [
        "alternative",
        "dated",
        "dialectal",
        "poetic"
      ]
    },
    {
      "form": "не́ю",
      "roman": "néju",
      "tags": [
        "alternative",
        "dated",
        "dialectal",
        "poetic"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "ru",
        "2": "pronoun form"
      },
      "expansion": "ей • (jej)",
      "name": "head"
    }
  ],
  "lang": "Russian",
  "lang_code": "ru",
  "pos": "pron",
  "senses": [
    {
      "categories": [
        "Pages with 3 entries",
        "Pages with entries",
        "Russian 1-syllable words",
        "Russian entries with incorrect language header",
        "Russian non-lemma forms",
        "Russian pronoun forms",
        "Russian terms with IPA pronunciation",
        "Russian terms with quotations"
      ],
      "examples": [
        {
          "bold_english_offsets": [
            [
              66,
              69
            ]
          ],
          "bold_text_offsets": [
            [
              74,
              76
            ]
          ],
          "english": "'She can't let it go like that,' he cried at last, 'I won't allow her to play with my life so mercilessly.'",
          "ref": "1867, Иван Тургенев [Ivan Turgenev], “XXV”, in Дым; English translation from Constance Garnett, transl., Smoke, 1896:",
          "roman": "«Étovo nelʹzjá tak ostávitʹ, — vosklíknul on nakonéc, — ja ne pozvólju jej tak bezžálostno igrátʹ mojéju žízniju…»",
          "text": "«Э́того нельзя́ так оста́вить, — воскли́кнул он наконе́ц, — я не позво́лю ей так безжа́лостно игра́ть мое́ю жи́знию…»",
          "type": "quote"
        }
      ],
      "form_of": [
        {
          "extra": "oná",
          "word": "она́"
        }
      ],
      "glosses": [
        "dative/instrumental of она́ (oná)"
      ],
      "links": [
        [
          "она́",
          "она#Russian"
        ]
      ],
      "tags": [
        "dative",
        "form-of",
        "instrumental"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "[jej]"
    },
    {
      "audio": "Ru-ей.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/8/8c/Ru-%D0%B5%D0%B9.ogg/Ru-%D0%B5%D0%B9.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/8/8c/Ru-%D0%B5%D0%B9.ogg"
    }
  ],
  "word": "ей"
}