preventive
adj.
1630s, from Latin praevent-, past participle stem of praevenire (see prevent), + -ive. As a noun, from 1630s; in medical use from 1670s.
〔蒋〕[ven=come来，-ive形容词后缀，…的] 预防的，防止的
〔蒋〕[ven=come来，-ive形容词后缀，…的] 预防的，防止的
| 词汇 | preventive |
| 词根词缀 | Online Etymology Dictionary 词根李平武蒋争 preventive adj. 1630s, from Latin praevent-, past participle stem of praevenire (see prevent), + -ive. As a noun, from 1630s; in medical use from 1670s. 〔蒋〕[ven=come来，-ive形容词后缀，…的] 预防的，防止的 |
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