preside
v.
1610s, from French présider "preside over, govern" (15c.), from Latin praesidere "stand guard; superintend," literally "sit in front of," from prae "before" (see pre-) + sedere "to sit" (see sedentary).
〔李〕[pre-=before 在…之前;sid=to sit 坐;-e⇒“to sit before others 坐在他人之前”→] v. hold the place of authority;have charge of a meeting 统辖;做会议主席
〔蒋〕[pre-前,sid坐;开会时’坐在前面主要位置上”→主持会议] 作会议的主席,主持,指挥,统辖
〔李〕[pre-=before前;sid=to sit坐;-e→“to sit before others坐在其他人前面”→] v. sit in authority;act as chairman主持;作会议主席