前缀：ec-

【词根来源】：=ex-,用在c前。  

【同源单词】：eccentric

词根词缀：ex-, ec-, e-

【来源及含义】Greek: out of, out, outside; away from; used as a prefix

【相关描述】This is a prefix that is supposed to be used with words or roots of Greek origin. The ex- form is used before vowels or h; ec- goes before consonants.

【同源单词】acentric, eccentric, eccentric, eccentric vision, eccentricity, ecclesia