Reconstructions

PWS
*dap-an-, *dapp(-at)- - upper torso (SED I No. 55)
PWS
*da/ir(r)-at- - breast, udder (SED I No. 58)
PWS
*dabr- - open country (Fronzaroli 1965b: 266; Kogan 2011: 117)
The earliest attestation of *madbar- comes from OB Mari (Streck 2000:103)
PWS
*dVbr- - bee (SED II No. 66; Kogan 2011: 125)
PWS
*ḏmm - to fornicate (SED I No. 14v; CDG 639)
PWS
*gˁṯ̣ - to (be about to) vomit (SED I No. 16v)
PWS
*gibb- - pit, well (Kogan 2015: 117)
PWS
*gbˀ - to return (Kogan 2015: 221 note 663)
PWS
*gVb(V)b-, gVb(b)-an- - hump, hunchback (SED I No. 67; Kogan 2011: 230)
The root is likely related to *ganb­- ‘side and back of torso’ (SED I No. 85). Though traditionally identified with Sem. *gbb ‘to be bent’ ([CDG 177], [DRS 94]), the present root is rather influenced by, than related to, the latter.
PWS
*gVbh(-at)- - forehead, front (SED I No. 68)
Related to *gabb(-at)- (with -h serving as a triconsonantizer?).