clamp-down
n.
also clampdown, 1940 in the figurative sense, from verbal phrase clamp down "use pressure to keep down" (1924). The verbal phrase in the figurative sense is recorded from 1941. See clamp, v. + down, adv..
| 词汇 | clamp-down |
| 词根词缀 | Online Etymology Dictionary clamp-down n. also clampdown, 1940 in the figurative sense, from verbal phrase clamp down "use pressure to keep down" (1924). The verbal phrase in the figurative sense is recorded from 1941. See clamp, v. + down, adv.. |
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