Where does “haf” come from?

haf (Old Cornish) comes from Proto-Brythonic haβ̃, from Proto-Celtic samos, from Proto-Indo-European sm̥-h₂-ó-, from Proto-Indo-European semh₂- — summer, year.

Ancestry of “haf”, step by step

StepLanguageWordMeaning
1Proto-Brythonichaβ̃summer
2Proto-Celticsamossummer
3Proto-Indo-Europeansm̥-h₂-ó-—
4Proto-Indo-Europeansemh₂-summer, year

Words derived from “haf”

Every word from Proto-Indo-European semh₂- →Every word from Proto-Indo-European sm̥-h₂-ó- →Every word from Proto-Celtic samos →