Cornish gweus

← Breton gweuz (cognate)

← Proto-Brythonic *webussu (inherited)

← Proto-Brythonic *we- (mention)

← Proto-Celtic *bussu (inherited)

← Welsh gwefus (cognate)

← Persian بوسیدن (cognate)

← Scottish Gaelic bus (cognate)

← Proto-Indo-European *bus- (derived)

← Latin bāsium (cognate)

← Lithuanian bučiúoti (cognate)

← Old Irish busóc (cognate)

← Albanian buzë (cognate)

→ Welsh gwefus (cognate)

→ Cornish diwweus (prefix)