- pregnable (adj.)[pregnable 词源字典]
- 1530s, alteration of Middle English preignable, earlier prenable (early 15c.), from Old French prenable "assailable, vulnerable," from stem of prendre "to take, grasp, seize," from Latin prehendere "to take hold of, to seize" (see prehensile).[pregnable etymology, pregnable origin, 英语词源]