词根:-cert-

【词根含义】:确信

【词根来源】:-cern-和-cert-来源于拉丁语动词cern.o, cern.ere, crevi, cret.us/cert.us(判断,区分),从“判断/区分”引申出“确信”的含义。

【同源单词】:ascertain, certain, certainly, certainty, certificate