词根：-sper-

【词根含义】：希望

【词根来源】：来源于拉丁语动词sper.o, sper.are, sper.avi, sper.atus(希望)。

【同源单词】：despair, desperado, desperate, desperation, prosper

前缀：de-

【词根含义】：去掉,取消;向下,减少;否定,相反;离开,分离;加强意义

【词根来源】：来源于拉丁语前缀de-。

【同源单词】：debate, debris, deburr, decadence, decay

词根词缀：de-

【来源及含义】Latin: from, away from, off; down; wholly, entirely, utterly, complete; reverse the action of, undo; the negation or reversal of the notion expressed in the primary or root word

【同源单词】de die in diem, de facto, De gustibus non est disputandum, de jure, De minimis non curat praetor, De mortuis nihil nisi bonum

词根词缀：sper-

【来源及含义】Latin: hope

【同源单词】despair, despairingly, desperado, desperate, desperately, desperation