background
n.
1670s, from back, adj. + ground, n.; original sense was theatrical, later applied to painting. Figurative sense is first attested 1854.
| 词汇 | background | 
| 词根词缀 | Online Etymology Dictionary background n. 1670s, from back, adj. + ground, n.; original sense was theatrical, later applied to painting. Figurative sense is first attested 1854. | 
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