presumptive的词源

英文词源

presumptive (adj.)

"speculative," mid-15c., from French présomptif (15c.), from Medieval Latin presumptivus, from Late Latin praesumptivus, from Latin praesumpt- past participle stem of praesumere (see presume). The heir presumptive (1620s) is "presumed" to be the heir if the heir apparent is unavailable. Related: Presumptively.

中文词源

presumptive：假定的

词根词缀： pre-前,先 + -sumpt-拿,买 + -ive

该词的英语词源请访问趣词词源英文版：presumptive 词源，presumptive 含义。

presumptive：假设的，推断的

来自presumption,假设，假定。