adequate
adj.
1610s, from Latin adaequatus "equalized," past participle of adaequare "to make equal to," from ad- "to" (see ad-) + aequare "make level," from aequus (see equal, adj.). The sense is of being "equal to what is required." Related: Adequateness.
〔李〕[ad-=to 到；equ=equal 相等；-ate=to make 使⇒“to make equal to 使与…相等”→] a.as mush as is needed；enough 适当的；足够的
〔蒋〕[ad-=to，equ相等，-ate形容词后缀，…的；“equal to”“与所需要的数量相等的”→能满足需要的] 足够的，充分的，适当的
〔李〕[ad-=to对；equ=equal相等；-ate a.=being有……性质的→“being equal to the needs与需求相等的”→] a.① equal to a job, or competent胜任的