auditorium (n.)youdaoicibaDictYouDict[auditorium 词源字典]
1727, from Latin auditorium "lecture room," literally "place where something is heard," neuter of auditorius (adj.) "of or for hearing," from auditus, past participle of audire "to hear" (see audience); also see -ory. Earlier in the same sense was auditory (late 14c.).[auditorium etymology, auditorium origin, 英语词源]