5 letters · 5 points in Scrabble
adjective of or relating to or associated with the moon
originFrom Middle English lunar (“shaped like the crescent moon”), 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).
Etymology from Wiktionary, CC BY-SA 3.0