Mehri
bərk - in, at, inside, among
(ML 52)
Probably related. Leslau reasonably thinks related to Soq. bérak ‘poitrin’ [LS 95]; for a similar semantic development cf. Mhr. mən ḥəḳ ‘inside’ (prep.) [JM 175] (and related MSA forms) ∼ Sem. *ḥi/aḳ(ʷ)- ‘hip, loin, lap’, No. 113.