lūcesco — Lewis & Short
lūcesco and lūcisco, ĕre,
I v. inch. n. [luceo], to begin to shine.
I Lit.
A In gen.:
sol lucescit,Verg. E. 6, 37: quorum caput flavo capillorum crine lucescat, Firm. Math. 4, 13.—
B In partic., of the break of day, to grow light, break, dawn:
nonae lucescunt,Ov. F. 5, 417.—
2 Impers.: lucescit or luciscit, the day is breaking: eamus, Amphitruo: luciscit hoc jam, it is getting light there (in the sky), Plaut. Am. 1, 3, 45; Ter. Heaut. 3, 1, 1; v. luceo, I. A. fin.: cum lucisceret, as soon as it grew light, at break of day, *Cic. Fam. 15, 4, 8:
et jam lucescebat,Liv. 4, 28.—
II Trop.:
luciscens amor,bright, Front. ad Anton. 1, 5 Mai.