Welsh hwch

← Breton hoc'h (cognate)

← Proto-Celtic *sukkos (inherited)

← Welsh swch (doublet)

← English sow (cognate)

← Proto-Indo-European *suH- (derived)

← Sanskrit सूकर (cognate)

→ English sow (cognate)

→ English hog (cognate)

→ Irish soc (cognate)

→ Old Norse sýr (cognate)