Dormition
/dɔːˈmɪʃən/noun
1- (in the Orthodox Church) the passing of the Virgin Mary from earthly life圣母升天（正教会中圣母马利亚从世俗生活中的逝去）。
1.1
- the feast held in honour of this on 15 August, corresponding to the Assumption in the Western Church圣母升天节（8月15日, 相当于西方教会的Assumption［圣母升天］）。
词源
late 15th cent.: from French， from Latin dormitio（n-） 'falling asleep'， from dormire 'to sleep'.