词根词缀:ex-, e-, ef-
【来源及含义】Latin: a prefix occurring in words of Latin origin used in the senses: out, out of, from; upward; completely, entirely; to remove from, deprive of; without; former [said of previous holders of office or dignity]
【相关描述】Before f, ex- becomes ef-; before all voiced consonants (as b, d, g, etc.) ex- becomes e-.
【同源单词】e pluribus unum, educate, educe, efface, effacement, effete
词根词缀:feto-, fet-, feti-, foeto-, foet-
【来源及含义】Latin: an unborn offspring, fetus
【相关词根词缀】 Related "birth, born, childbirth, offspring" words: abort-; lochio-; nasc-, nat-; proli-; toco-, toko-.
【同源单词】afetal, alcohol fetopathy, effete, fawn, fetal viability, fetal