Where does “moonlit” come from?

Moonlit comes from English moon and English lit, with lit deriving from Old English lēoht meaning "light," which traces to Proto-Indo-European leuk- meaning "to shine."

moonlit (English): Lit by moonlight

Definitions

  1. Lit by moonlight

Ancestry of “moonlit”, step by step

moonlit traces back through two separate lines of ancestry.

via English Moon

StepLanguageWordMeaning
1EnglishMoonThe Earth's moon; the sole natural satellite of the Earth, represented in astronomy and astrology by ☾
2Middle EnglishMoneA lamentation; a sorrowful moan or expression
3Old Englishmānbad, criminal, false; shameful act; crime;...
4Sanskritमहादेवthe "great God"
5Sanskritमहाcombining form of महत्; buffalo; great, large,...
6Proto-Indo-Aryanmaźʰā́
7Proto-Indo-Iranianmaȷ́ʰā́big, great
8Proto-Indo-Europeanméǵh₂sbig, great

via English lit

StepLanguageWordMeaning
1Englishlitsimple past tense and past participle of light;...
2Middle EnglishlitAlternative form of light
3Old Englishlȳtlittle, few
4Proto-Germaniclūtilazbent; tending to stoop; crouching; little
5Proto-Germanicburgzfortification, stronghold; city
6Proto-Indo-Europeanbʰr̥ǵʰ-
Every word from Proto-Indo-European méǵh₂s