Where does “γαϝις” come from?

γαϝις (Oscan) comes from Proto-Italic *Gāwjos, from Proto-Indo-European geh₂w- — to rejoice.

Ancestry of “γαϝις”, step by step

StepLanguageWordMeaning
1Proto-Italic*Gāwjos
2Proto-Indo-Europeangeh₂w-to rejoice
Every word from Proto-Indo-European geh₂w-Every word from Proto-Italic *Gāwjos