olga

noun

1. Saint,died a.d. 968?, regent of Kiev until 955: saint of the Russian Orthodox Church.
2. a female given name: from a Scandinavian word meaning “holy.”

fem. proper name, from Russian, probably from Norse Helga, literally “holy,” from Proto-Germanic *haliaga, from PIE *kailo- (see health). The masc. form is Oleg.