Where does “h₂euh₂-n-” come from?

h₂euh₂-n- (Proto-Indo-European) comes from Proto-Indo-European h₂éwh₂os — maternal grandfather; maternal uncle.

Ancestry of “h₂euh₂-n-”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	h₂éwh₂os	maternal grandfather; maternal uncle

h₂euh₂-n- — Etymology, Origin & Word History | Etymology Explorer