nescient
adj.
1620s, from Latin nescientem (nominative nesciens) "ignorant, unaware," present participle of nescire "not to know, to be ignorant," from ne "not" + scire "to know" (see science).
〔李〕a.无知的；没有知识的 [sci=to know] ←ne-，neg-[L] =not不
〔蒋〕[ne-无，sci知，-ent形容词后缀，…的] 无知的，缺乏知识的