BDB931
בֹּ֫הוּ noun [masculine] emptiness (on form see Ges«GKC:84a»§ 84a, 1 b Sta§ 95, 198 a, on usage compare LagOr. ii. 60 f.) always with תֹּהוּ q. v.; — תֹּהוּ וָבֹהוּ Gen 1:2 of primeval earth; Jer 4:23 of earth under judgment of ׳ י; קַותֿֿהֹוּ וְאַבְנֵי בֹהוּ Isa 34:11, the line of wasteness and the stones of emptiness, i.e. plummets, employed, not as usual for building, but for destroying walls; compare Di & see below אבן 6.