grandiose (adj.)youdaoicibaDictYouDict[grandiose 词源字典]
1828 (earlier as a French word in English), from French grandiose "impressive, grand in effect" (18c.), from Italian grandioso (which also was borrowed directly into English as a musical term), from Latin grandis "big" (see grand (adj.)). Related: Grandiosely.[grandiose etymology, grandiose origin, 英语词源]