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：fumi-, fum-

【来源及含义】Latin: smoke, vapor

【相关词根词缀】See other related smoke pages at this capno- unit.
Inter-related cross references, directly or indirectly, involving word units dealing with "smoke, smoking": atmido-; capno; Capnomania & Fumimania, Pt. 1; Capnophobia & Fumiphobia, Pt. 1; nebula-; typho-.

【同源单词】effumation, effume, enfume, fumacious, Fumaria officinalis, fumaric