Where does “Rogerius” come from?
Rogerius (Medieval Latin) comes from Old French Rogier, from Latin rogerius, from Frankish Hrōthigeir, from Proto-Germanic Hrōþigaizaz, from Proto-Germanic gaizaz, from Proto-Indo-European ǵʰoysós, from Proto-Indo-European ǵʰey- — winter.
Ancestry of “Rogerius”, step by step
Words derived from “Rogerius”