dissereno

dis-sĕrēno, āre, v. impers. and a.

• I Impers., to be clear, as if by dispersing the clouds: si cacumina (montium) pura flent, disserenabit, Plin. 18, 35, 82, § 356.—
• II In late Lat., act., to make clear.—Only trop., to clear away: disserena oculis nostris nubilum, August. Conf. 13, 15; to cheer: mores procellosos, Cassiod. Var. 6, 6 init.