defray (v.)youdaoicibaDictYouDict[defray 词源字典]
1540s, from Middle French defraier (15c.), perhaps from de- "out" (see de-) + fraier "spend," from Old French frais "costs, damages caused by breakage," from Latin fractum, neuter past participle of frangere "to break" (see fraction). Alternative etymology traces second element to Old High German fridu "peace," via Vulgar Latin *fredum "fine, cost."[defray etymology, defray origin, 英语词源]