dormitory
n.
mid-15c., from Latin dormitorium "sleeping place," from dormire "to sleep" (see dormant). Old English had slæpern "dormitory," with ending as in barn.
〔李〕[dorm;-itoryn.] n.集体寝室； 宿舍 ←dorm,domit (L dormire)=to sleep 睡
〔蒋〕[dorm睡眠，-ory名词后缀，表场所，地点] 集体寝室，社会公德