annihilate
v.
1520s, from an obsolete adjective meaning "reduced to nothing" (late 14c.), originally the past participle of a verb, anihil, from Old French annichiler (14c.), from Late Latin annihilare "to reduce to nothing," from Latin ad- "to" (see ad-) + nihil "nothing" (see nil). Related: Annihilated; annihilating.
〔李〕[an-(ad-);nihil;-atev.] v.歼灭，消灭 ←nihil (L nihil)=nothing 零
〔蒋〕[an-加强意义，nihil无，不存在→消亡，-ate动词后缀，使...;’使消亡”] 消灭，歼灭