The story
- Old Norse · derived fromheilagr“holy; inviolable, sacred”
- Old East Slavic · derived fromО́льга
- English todayOlga
Borrowed in the 19th century from Old East Slavic О́льга (Ólĭga), name of a Kievan knyaginya (Saint Olga of Kiev), a medieval form of Helga, Old Norse heilagr (“holy; inviolable, sacred”). Doublet of Helga.
Etymology from Wiktionary, CC BY-SA 4.0.