backlash
n.
1815, of machinery, from back, adj. + lash, n.. In metaphoric sense, it is attested from 1955.
| 词汇 | backlash | 
| 词根词缀 | Online Etymology Dictionary backlash n. 1815, of machinery, from back, adj. + lash, n.. In metaphoric sense, it is attested from 1955. | 
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