French rainure

← Gaulish *rucina (borrowed)

← French (suffix)

← French -ure (suffix)

← Old French roisner (mention)

← Ancient Greek ῥῠκάνη (borrowed)

← Latin runcīna (cognate)

→ Spanish ranura (borrowed)

→ French rainurer (suffix)

→ French rainer (suffix)

→ Portuguese ranhura (borrowed)

→ Romanian renură (borrowed)