Reconstructions

PS
*dll - to become little, diminished ? (EDA II)
PS
*dam-, *ˀa-dam- - blood (SED I No. 50)
*ˀadam- with ˀa­- prefixed is reconstructed on the PS level.
PS
*dardar- - thistle (Fronzaroli 1969a: 276, 289, 299; Kogan 2011: 201; Kogan 2012: 234)
PS
*dVrr- - kind of bird (SED II No. 71)
PS
*drs - to trample (EDA II)
PS
*daṯˀ- - grass; herb; spring (Fronzaroli 1965a: 142, 148, 150, Fronzaroli 1968: 275; Fronzaroli 1969a: 275, 289, 299; Kogan 2011: 200; Kogan 2012: 231)
PS
*dwr - to go around, to turn (EDA II)

In various Semitic languages, PS *dwr ‘to go round’ acquired the meaning ‘to stay permanently in one place, to dwelľ. A variant root *dhr is attested in some WS languages.

PS
*dawr-/*dawar- - period, cycle (DRS 240, Marassini 1971: 48, Fronzaroli 1965: 143, 148, EDA II)

The – apparently iconic (descriptive) – reduplication *dār- dār- (or *dār- dawr-), attested in both Akkadian and early NWS (Ugaritic, Hebrew, Aramaic), may go back to PS.

PS
*dwš - to thresh; to trample (EDA II)
PS
*dyn - to judge (EDA II)