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.