myEtymology.com: French etymology of raison

Etymology of the French word raison

the Old French word raison

derived from the Latin word ratio (account, reckoning, invoice)

derived from the Latin word ratus (established, authoritative; fixed; rat)

derived from the Latin word reri (think, regard; deem)

derived from the Proto-Indo-European root *ar-

derived from the Latin word rationem

English reason, Romanian rezon

Catalan rahó, Italian ragione, Provençal razo, Spanish razon

Word found in Old French