late 13c., from Old French eclipse "eclipse, darkness" (12c.), from Latin eclipsis, from Greek ekleipsis "an abandonment, an eclipse," from ekleipein "to forsake a usual place, fail to appear, be eclipsed," from ek "out" (see ex-) + leipein "to leave" (cognate with Latin linquere; see relinquish).
late 14c. (intransitive, a sense now obsolete), from eclipse (n.). Transitive use from late 15c.; figurative use from 1580s. Related: Eclipsed; eclipsing.
In astronomy, the blocking out of light from one object by the intervention of another object. The most dramatic eclipses visible from the Earth are eclipses of the sun (when sunlight is blocked by the moon) and eclipses of the moon (when sunlight on its way to the moon is blocked by the Earth).
Note: The term eclipse is also used to refer to a general decline or temporary obscurity: “After taking the title last year, the team has gone into an eclipse this season.”
of the sun alluded to in Amos 8:9; Micah 3:6; Zech. 14:6; Joel 2:10. Eclipses were regarded as tokens of God's anger (Joel 3:15; Job 9:7). The darkness at the crucifixion has been ascribed to an eclipse (Matt. 27:45); but on the other hand it is argued that the great intensity of darkness caused by an eclipse never lasts for more than six minutes, and this darkness lasted for three hours. Moreover, at the time of the Passover the moon was full, and therefore there could not be an eclipse of the sun, which is caused by an interposition of the moon between the sun and the earth.