Where does “*sauH-” come from?

*sauH- (Proto-Iranian) comes from Proto-Indo-European ḱeh₃i- — to sharpen; sharpen.

Ancestry of “*sauH-”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeanḱeh₃i-to sharpen; sharpen
Every word from Proto-Indo-European ḱeh₃i-