Lunar
来自Big Physics
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late Middle English: from Latin lunaris, from luna ‘moon’.
wiktionary
From Middle English lunar(“shaped like the crescent moon”), [1] from Latin lūnāris(“of or pertaining to the moon, lunar”) (possibly through Middle French lunaire (modern French lunaire(“lunar”)), from lūna(“the Moon; crescent shape”) (ultimately from Proto-Indo-European *lewk-(“bright; to shine”)) + -is(suffix forming adjectives). [2]
etymonline
lunar (adj.)
early 15c., "crescent-shaped;" 1620s, "pertaining to the moon," from Old French lunaire (15c.), from Latin lunaris "of the moon," from luna "moon" (see luna).
