O / ob-tĕnebresco
verb intransitive

ob-tĕnebresco

2nd PP ob-tĕnebrescĕre · conj. 3rd
to become; grow dark
v. inch. n., to become or grow dark (eccl. Lat.): lux in tabernaculo, Vulg. Job, 18, 6; Hier. in Isa. 5, 12, 1.