voluminous (adj.)youdaoicibaDictYouDict[voluminous 词源字典]
1610s, "forming a large mass," also "full of turnings and windings," from Late Latin voluminosus, from Latin volumen (genitive voluminis) "volume" (see volume). Related: Voluminously; voluminousness.[voluminous etymology, voluminous origin, 英语词源]