whirlwind
n.
mid-14c., from whirl, v. + wind, n., probably on model of Old Norse hvirfilvindr.
| 词汇 | whirlwind | 
| 词根词缀 | Online Etymology Dictionary whirlwind n. mid-14c., from whirl, v. + wind, n., probably on model of Old Norse hvirfilvindr. | 
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