Where does “boukkā” come from?

boukkā (Proto-Celtic) comes from Proto-Celtic bāus, from Proto-Indo-European gʷṓws — cattle.

Ancestry of “boukkā”, step by step

StepLanguageWordMeaning
1Proto-Celticbāuscow
2Proto-Indo-Europeangʷṓwscattle
Every word from Proto-Indo-European gʷṓwsEvery word from Proto-Celtic bāus