Moonlit

wiktionary

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From moon +‎ lit. Compare Saterland Frisian mouneljoacht(“moonlit”), West Frisian moanneljocht(“moonlit”), Dutch maanverlicht(“moonlit”), Danish månelys(“moonlit”), Swedish månljus(“moonlit”).

etymonline

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moonlit (adj.)

also moon-lit, "lighted or illuminated by the moon," 1819, from moon (n.) + lit (adj.).