greenback
n.
"U.S. dollar bill," 1862, so called from the time of their introduction, from green, adj. + back, n.; bank paper money printed in green ink had been called this since 1778 (as opposed to redbacks, etc.).
| 词汇 | greenback |
| 词根词缀 | Online Etymology Dictionary greenback n. "U.S. dollar bill," 1862, so called from the time of their introduction, from green, adj. + back, n.; bank paper money printed in green ink had been called this since 1778 (as opposed to redbacks, etc.). |
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