PS

*kunāṯ- - spelt, emmer (Kogan 2015: 296)

PArm
*kunāt- - spelt, emmer wheat (Hrozný 1913: 55, Kogan 2012: 247)

Akkadian
kunāšu - spelt, emmer wheat (CAD K 536, AHw. 506)
For its relation with PArm. *kunāt-, see Kogan 2012a:247f. and, differently, Kogan 2015:296f.