Latin frēnum

→ English frenulum (mention)

→ English frenum (borrowed)

→ Catalan fre (inherited)

→ Spanish freno (inherited)

→ French frein (inherited)

→ Friulian fren (inherited)

→ Irish srian (derived)

→ Scottish Gaelic srian (derived)

→ Galician freo (inherited)

→ Ido freno (borrowed)

→ Italian freno (inherited)

→ Latin frenulum (affix)

→ Latin freniger (affix)

→ Occitan fren (derived)

→ Portuguese freio (inherited)

→ Romanian frâu (inherited)

→ Aromanian fãrnu (inherited)

→ Aromanian frãn (inherited)

→ Old Irish srían (borrowed)

→ Albanian fre (borrowed)

→ Southeastern Tepehuan piriiñ (derived)