O / obnūbĭlus
adjective hapax

obnūbĭlus

fem. ob-nūbĭla · neut. ob-nūbĭlum
adj., overclouded, cloudy, dark, obscure as adjective
adj., overclouded, cloudy, dark, obscure: obnubila tenebris loca, Enn. ap. Cic. Tusc. 1, 21, 48 (Trag. v. 108 Vahl.).