I.v. dep. n., to fall, glide, or sink under or down, to sink (poet. and in post-Aug. prose).
I. Lit.: “imperfecta necesse est labent et modo prodeant, modo sublabantur aut succidant,” Sen. Ep. 71, § 34: “aedificia vetustate sublapsa,” Plin. Ep. 10, 75, 1; cf. poet. transf.: “annis sublapsa vetustas,” Verg. A. 12, 686.—*