PWS

*γarab-at- - (a tree; probably the Euphrates poplar) (Kogan 2011: 202; Kogan 2012: 241)

Hebrew
ˁărābā - poplar (HALOT 879)
Syriac
ˁarbtā - willow; rose plant (LSyr. 546, SL 1135)
Arabic
γarab- - poplar (Lane 2242)
Soqotri
ˁarhieb - (a tree) (LS 325)