PArm

*baššāš- - Syrian rue (EDA I 400)

PWS
*bVš- - (a botanical term) (Kogan 2015:400)

Noteworthy is the structurally similar, well attested Egyptian plant name bsbs (Germer 2008, 64 f.).

Jewish Babylonian Aramaic
baššāš - Syrian rue (DJBA 251)
Syriac
baššāšā - Syrian rue (LSyr. 98, SL 195)