auroral
adj.
1550s, "pertaining to dawn," from aurora + -al(1). Meaning "of the color of dawn" is from 1827; "of the aurora" from 1828.
| 词汇 | auroral |
| 词根词缀 | Online Etymology Dictionary auroral adj. 1550s, "pertaining to dawn," from aurora + -al(1). Meaning "of the color of dawn" is from 1827; "of the aurora" from 1828. |
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