ob-nūbĭlo — Lewis & Short
ob-nūbĭlo, āvi, ātum, 1,
I v. a., to cover with clouds or fog; to overcloud, darken, obscure (post-class.):
vultūs serenitatem,Gell. 1, 2, 5:
haec omnia vitium,to obscure, Amm. 28, 4, 2:
odore sulfuris obnubilatus,beclouded, stupefied, senseless, App. M. 9, p. 228, 22; so,
animam,id. ib. 8, p. 204, 38.