词根：-gen-, -gener-, -germ-

【词根含义】：生殖,出生

【词根来源】：来源于原始印欧语gen-(生育)在拉丁语中产生的词汇genus(种类),gens(人种),generare(生殖),generalis(全体的,总的,普遍的)和germen(发芽,分枝)等。

【同源单词】：benign, engine, engineer, engineering, gender

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：geno-, gen-, genit-, gener-, -gen

【来源及含义】Greek > Latin: race, kind; line of descent; origin, creation; pertaining to sexual relations, reproduction, or heredity; and more recently, a gene or genes

【同源单词】abiogenesis, abiogenetic, abiogenetically, abiogenous, acrogen, acrometagenesis

词根词缀：genus, genesis-, -gen, -gene, -genesis, -genetic, -genic, -geny, -genous

【来源及含义】Latin: birth, beget; descent, origin, creation, inception, beginning, race, sort; kind, class

【同源单词】aerospace engineering, agenesis, autogenous, benign, benignant, benignantly