submerge
v.
c.1600 (transitive), from French submerger (14c.) or directly from Latin submergere "to plunge under, sink, overwhelm," from sub "under" (see sub-) + mergere "to plunge, immerse" (see merge). Intransitive meaning "sink under water, sink out of sight" is from 1650s, made common 20c. in connection with submarines. Related: Submerged; submerging.
〔李〕[sub-;merg;-e] v.浸没，淹没 ←merg,mers (L mergere,mersum)=to sink 沉
〔蒋〕[sub-下，merg沉] 沉下，沉于水中，没入水中