This is the 12290th most frequent Russian word.
историка
The Russian word "историка" refers to a "female historian" or the field of "history" in certain contexts.
Here, 'историка' refers to a person, specifically, the historian, in the accusative case.
Он историка увез в университет.
He drove the historian to the university.
In this sentence, 'историка' is used in the genitive case, indicating possession or relation to a well-known historian.
В книге обсуждаются взгляды известного историка.
The book discusses the views of a famous historian.
Here, 'историка' is employed in the accusative case as a direct object, referring to the historian.