Maalula

bṭn - schwanger sein, werden (to be(come) pregnant) (GNDM 16)

NAssyr. bɔ̄ṭịn ‘to be pregnant’ [Tser. 026], pṭịntɔ ‘pregnant’, ṗṭɔ̄nɔ ‘pregnancy’ [ibid. 027]; Azr. batnanta (lit.) ‘pregnant woman’, bitna (arch.) ‘womb’, btinta ‘pregnant’ [Garb. 301]; Iran. *bâṭin ‘essere incinta’, pᵉṭĕntḇán ‘io sono incinta’ [Pen. 68].

PArm
*bṭn - to be pregnant (Kogan 2015: 175)