recumbent
adj.
1705, from Latin recumbentem (nominative recumbens), present participle of recumbere "recline, lie down, lie down again;" of things, "to fall, sink down, settle down," from re- "back" (see re-) + -cumbere "to lie down" (see succumb). Related: Recumbency (1640s). A verb, recumb, has been attempted in English occasionally since 1670s.
〔李〕[re-=backward向后；cumb=to lie躺；-ent a.=-ing……的→] a. lying backward;reclining躺着的；斜卧的