Where does “Elvio” come from?
Elvio (Italian) comes from Latin Helvius, from Latin helvus, from Proto-Italic helawos, from Proto-Italic xelawos, from Proto-Indo-European ǵʰelh₃wos, from Proto-Indo-European ǵʰelh₃- — to flourish; green, yellow.
Ancestry of “Elvio”, step by step