Antelucan (adj)
An-te-lew-kan
Of, belonging to, or occurring in the hours just before dawn.
Early 17th century; earliest use found in George Benson (?1569–1648). From classical Latin antelūcānus (also antilūcānus) of, belonging to, or occurring in the hours just before dawn from ante- + lūc-, lūx light + -ānus.
Example sentences
“The antelucan light shrouded the forest in darkness.”