This is the 9356th most frequent Russian word.
танеева
"Танеева" is a Russian surname and does not have a specific standalone meaning in English.
Here, 'Танеева' is used as a proper noun, a surname of a person, in the nominative case.
Танеева не ожидала такого поворота событий.
Taneeva did not expect such a turn of events.
In this sentence, 'Танеевой' is in the dative case, indicating an indirect object referring to a person.
Преподаватель задал Танеевой сложный вопрос.
The teacher asked Taneeva a difficult question.
Here, 'Танеевой' is in the genitive case, showing possession or relation.