prepare
v.
mid-15c., a back formation from preparation and in part from Middle French preparer (14c.), from Latin praeparare "make ready beforehand" (see preparation). Related: Prepared; preparing. Be prepared as the Boy Scouts' motto is attested from 1911.
〔李〕[pre-=beforehand 事先；pare=to make ready 使就绪→] v. make ready beforehand 预备，准备
〔李〕[pre-;par;-e] v.准备； 为……作准备 ←par (L parare)=to prepare 准备