Where does “billa” come from?

billa (Latin) comes from Proto-Celtic belyos, from Proto-Indo-European bʰleh₃-, from Proto-Indo-European bʰel-, from Proto-Indo-European bʰōl-.

Ancestry of “billa”, step by step

StepLanguageWordMeaning
1Proto-Celticbelyostree
2Proto-Indo-Europeanbʰleh₃-bloom, flower
3Proto-Indo-Europeanbʰel-to sound; to speak, roar, bark; shiny, white; to...
4Proto-Indo-Europeanbʰōl-—
Every word from Proto-Indo-European bʰōl- →Every word from Proto-Indo-European bʰel- →Every word from Proto-Indo-European bʰleh₃- →
billa — Etymology, Origin & Word History | Etymology Explorer