capacious (adj.)youdaoicibaDictYouDict[capacious 词源字典]
1610s, "able to contain," from Latin capax (genitive capacis) "able to take in," from capere "to take" (see capable) + -ous. Meaning "able to hold much" is from 1630s. Related: Capaciously; capaciousness.[capacious etymology, capacious origin, 英语词源]