collapse
v.
1732, from Latin collapsus, past participle of collabi "fall together," from com- "together" (see com-) + labi "to fall, slip" (see lapse, n.). The adjective collapsed is attested from c.1600, from Latin collapsus, and perhaps this suggested a verb. Related: Collapsing.
n.
1801, from collapse, v..
〔李〕[col-;laps;-ev.] v.倒坍； 崩溃 n.倒坍； 崩溃； 衰弱 ←laps (L labi,lapsus)=to slip or fall 滑，落