This is the 7358th most frequent Russian word.
гергиева
"Гергиева" is not a standard Russian word; it is likely a reference to Valery Gergiev, a renowned Russian conductor.
In this sentence, 'Гергиев' is used as a proper noun representing a proper name.
Вчера я читал книгу, написанную Георгием Гергием.
Yesterday, I read a book written by Georgiy Gergiyev.
Here, 'Гергиев' indicates a person's role as a conductor in a specific context.
Музыка, которую дирижировал оркестр под управлением Гергием, была великолепна.
The music conducted by the orchestra under Gergiev's direction was magnificent.
Finally, 'Гергиев' is utilized again as a possessive form to indicate creation or relation.