coruscatio
From LSJ
νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)
Latin > English (Lewis & Short)
cŏruscātĭo: ōnis, f. id.,
I a glittering, a flash, coruscation (post-class.): (margaritarum), Sol. 53 fin.: immanis, Vop. Car. 8.
Latin > French (Gaffiot 2016)
cŏruscātĭō, ōnis, f. (corusco), action de briller, étinceler : Sol. 53, 25 || [en parl. des éclairs] fulguration : Vop. Car. 8, 3.