Reconstructions

PS
*ˀišd - backside, lower leg, base, foundation (Kogan 2015: 204)
PWS *šit- ‘buttocks’ may be related, see Kogan 2011: 218
PS
*ˀi/ušk(-at)- - testiculus (SED I No. 11)
PS
*ˀaš(a)l- - reed (Kogan–Krebernik 2021b: 683)
PS
*ˀašal- - rush (Fronzaroli 1969a: 276, 289, 299; Kogan 2014: 235)
PS
*ˀit(t)- - with, together with (Arakelova 2001:20)
PS
*ˀtm - to bring together (EDA I 528)

Var. ˀdm?

PS
*ˀatān- - donkey mare (SED II No. 19, Fron. VI 31, DRS 36)
PS
*ˀaṭad- - (a thorny plant) (Fronzaroli 1969a, pp. 278, 291, 300)
PS
*ˀaṯ(h)al- - a mythical reptile, dragon (SED II No. 20)
Level?
PS
*ˀVṯkāl- - cluster, bunch (of grapes etc.) (Kogan 2011: 204, Kogan 2012: 256–257)