noctesco

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

noctesco, ĕre, v. n. inch. [nox],

to draw towards night, to grow dark : omnia noctescunt, Furius ap. Non. 145, 11; and Gell. 18, 11, 3 (where the word is censured).