Dormitory
来自Big Physics
late Middle English: from Latin dormitorium, neuter (used as a noun) of dormitorius, from dormire ‘to sleep’.
wiktionary
From Middle English dormitory, dormytory, dormytorye, borrowed from Latin dormītōrium(“a sleeping-room”), from dormiō(“to sleep”). Doublet of dorter.
etymonline
dormitory (n.)
mid-15c., "place, building, or room to sleep in," originally of a monastery or nunnery, from Latin dormitorium "sleeping place," from dormire "to sleep" (see dormant). From the vernacular Old French form dortor Middle English had the word earlier as dortour (c. 1300). Old English had slæpern "dormitory," with ending as in barn. As "residence hall of a college or university" by 1718.
