Welsh hy

← Proto-Celtic *segos (inherited)

← Proto-Germanic *segaz (cognate)

← Ancient Greek ἔχω (cognate)

← Proto-Indo-European *seǵʰ- (derived)

← Sanskrit सहस् (cognate)

→ Welsh Hywel (prefix)

→ Welsh hynod (prefix)

→ Welsh hyder (affix)