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

StepLanguageWordMeaning
1LatinHelviusa Roman nomen gentile, gens or "family name" famously held by
2Latinhelvushoney-yellow
3Proto-Italichelawosyellow
4Proto-Italicxelawos—
5Proto-Indo-Europeanǵʰelh₃wosgreen, yellow
6Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow
Every word from Proto-Indo-European ǵʰelh₃- →Every word from Proto-Indo-European ǵʰelh₃wos →Every word from Proto-Italic xelawos →