←
Proto-Germanic *ufumô (cognate)
←
Proto-Indo-European (inherited)
←
Proto-Indo-European *upó (mention)
←
Proto-Indo-European *-m̥mo- (mention)
→
Spanish sumo (borrowed)
→
Galician Bama (cognate)
→
Galician Bamio (cognate)
→
Italian sommo (inherited)
→
Portuguese sumo (borrowed)
→
Portuguese somar (mention)
→
Aromanian sumã (inherited)
→
Albanian shumë (borrowed)