- ecliptic (n.)
[ecliptic 词源字典]
- "the circle in the sky followed by the Sun," late 14c., from Medieval Latin ecliptica, from Late Latin (linea) ecliptica, from Greek ekliptikos "of an eclipse" (see eclipse (n.)). So called because eclipses happen only when the Moon is near the line. Related: Ecliptical.[ecliptic etymology, ecliptic origin, 英语词源]