evection

英 [ɪ'vekʃ(ə)n] 美
  • n. 出差（一种月球运动）
evection
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英文词源

evection (n.)
1650s, literal, from Late Latin evectionem (nominative evectio) "a carrying upward, a flight," from Latin evehere, from assimilated form of ex- "upwards" (see ex-) + vehere "to carry" (see vehicle). Astronomy sense is from 1706.