accretion
n.
1610s, from Latin accretionem (nominative accretio) "an increasing, a growing larger" (as of the waxing moon), noun of action from past participle stem of accrescere, from ad- "to" (see ad-) + crescere "grow" (see crescent).
〔李〕[ac-（ad-）=to向；cret=to grow生长；-ion n.=the act or state 表动作或状态→“growing to向……生长”→] n.① continued growth生长；增大