←
Proto-Germanic *tradō (cognate)
←
Ancient Greek -ος (affix)
←
Ancient Greek τρέχω (mention)
←
Proto-Indo-European *drem- (root)
←
Proto-Indo-European *drem- (derived)
→
English drome (derived)
→
Italian dromo (borrowed)
→
Italian -dromo (derived(it/es))