impervious
adj.
1640s, from Latin impervius "that cannot be passed through," from assimilated form of in- "not, opposite of" (see in-(1)) + pervius "letting things through," from per "through" + via "road." Related: Imperviously; imperviousness.
| 词汇 | impervious |
| 词根词缀 | Online Etymology Dictionary impervious adj. 1640s, from Latin impervius "that cannot be passed through," from assimilated form of in- "not, opposite of" (see in-(1)) + pervius "letting things through," from per "through" + via "road." Related: Imperviously; imperviousness. |
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