Akkadian

ḫanābu - to grow abundantly (CAD Ḫ 75, AHw. 319)

Rössler (1961:170) compares to it Ugr γnb - ‘grapes’(?), considering the Akk term a WS borrowing - but ḫanābu is reliably attested in OB, which makes the hypothesis rather problematic. However, Akk. ḫ is more likely to correspond to *γ than to *ˁ.
See also PS *ˁinab-