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：pre-

【词根含义】：前,先

【词根来源】：来源于拉丁语prae。

【同源单词】：precaution, precede, precedent, preceding, precise

词根词缀：-ant, -ants

【来源及含义】Latin: a suffix; a person who, the thing which; people who, things which

【同源单词】abdicant, aberrant, abundant, abundantly, acanthopore, accelerant

词根词缀：nasc-, nat-

【来源及含义】Latin: born, birth

【相关词根词缀】 Related "birth, born, childbirth, offspring" words: abort-; feto-; lochio-; proli-; toco-, toko-.

【同源单词】adnascent, adnate, adnation, agnate, allopregnancy, antenatal

词根词缀：pre-, prae-

【来源及含义】Latin: before [both in time and place]

【相关描述】The prefix prae- can actually be substituted for pre- because both of them are different spellings for the same prefix meaning "before".

【相关词根词缀】 Related before-word units: ante-; antero-; anti-; pro-. Related "time" units: aevum, evum; archaeo-, archeo-; Calendars; chrono-; horo-; Quotes: Time; tempo-.

【同源单词】preacquaint, preacquaintance, preagonal, pre-agricultural, preamble, preambular