Italian freno

← Proto-Indo-European *dʰer- (derived)

← Latin frēnum (inherited)

→ Greek φρένο (borrowed)

→ Ido freno (borrowed)

→ Italian frenare (mention)

→ Italian sfrenare (confix)

→ Italian frenologia (confix)

→ Italian affrenare (mention)

→ Italian frenologo (confix)

→ Italian freno-motore (prefix)

→ Italian frenopatia (confix)

→ Italian frenotomia (confix)