peripheral
adj.
1803, from periphery + -al(1). An earlier formation was peripherial (1670s). Related: Peripherally. As a noun, peripherals, "peripheral devices of a computer," is from 1966.
| 词汇 | peripheral | 
| 词根词缀 | Online Etymology Dictionary peripheral adj. 1803, from periphery + -al(1). An earlier formation was peripherial (1670s). Related: Peripherally. As a noun, peripherals, "peripheral devices of a computer," is from 1966. | 
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