Where does “hañvoù” come from?

hañvoù (Breton) comes from Breton hañv, from Middle Breton haff, from Old Breton ham, from Proto-Brythonic haβ̃, from Proto-Celtic samos, from Proto-Indo-European sm̥-h₂-ó-, from Proto-Indo-European semh₂- — summer, year.

Definitions

Ancestry of “hañvoù”, step by step

StepLanguageWordMeaning
1Bretonhañvsummer
2Middle Bretonhaff—
3Old Bretonham—
4Proto-Brythonichaβ̃summer
5Proto-Celticsamossummer
6Proto-Indo-Europeansm̥-h₂-ó-—
7Proto-Indo-Europeansemh₂-summer, year
Every word from Proto-Indo-European semh₂- →Every word from Proto-Indo-European sm̥-h₂-ó- →Every word from Proto-Celtic samos →