selenelion

Etymology
coinage, from the and.

Noun

 * 1) A lunar eclipse occurring as the moon sets, simultaneously with sunrise.
 * 2) * 2001, Paul Davies, Duncan Steel, Eclipse: The Celestial Phenomenon That Changed the Course of History (Joseph Henry Press) p. 57
 * This phenomenon is called a "horizontal eclipse" or, from a French term, "selenelion." ... In modern times, the first record seems to date from 1590, when the great astronomer Tycho Brahe saw a selenelion from his observatory ....
 * 1) * 2007, William Poole, "Antoine-François Payen, the 1666 Selenelion, and a Rediscovered Letter to Robert Hooke", Notes and Records of the Royal Society of London, Vol. 61, No. 3 (Sep. 22, 2007), pp. 251-263 JSTOR
 * This he immediately published, under the title Selenelion ou Apparition Luni-Solaire .... The coinage ‘selenelion’ was his own .... Payen asserted that refraction on its own could not account for a selenelion...