The Proto-Indo-European word *awo-

Word	*awo-                                 [Ps: w = b -(ose f' *latine)]
Meaning	grandfather, adult male relative other than one's father
See also	Armenian: haw ‘grandfather’ Cappadocian: αβούκα ‘grandfather’ Hittite: huhha- ‘grandfather’
Synonyms	*h₂euh₂os, *suhₓsos