unnerve
v.
1620s, "to destroy the strength of," from un-(2) "reverse, opposite of" + nerve, v.. Meaning "to deprive of courage" is recorded from 1704. Related: Unnerved; unnerving.
| 词汇 | unnerve | 
| 词根词缀 | Online Etymology Dictionary unnerve v. 1620s, "to destroy the strength of," from un-(2) "reverse, opposite of" + nerve, v.. Meaning "to deprive of courage" is recorded from 1704. Related: Unnerved; unnerving. | 
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