←
Proto-Indo-European *kelH- (root)
←
Proto-Indo-European *kl̥Hnís (inherited)
←
Proto-Indo-European *kelH- (mention)
→
Catalan coll (inherited)
→
Ancient Greek κολώνη (cognate)
→
Italian colle (mention)
→
Latvian kalns (cognate)
→
Romanian scula (inherited)