*gapn- - tree, trunk (Fronzaroli 1969b: 8, 25, 33)

PCS

*gapn- - vine (DRS 171; Kogan 2015: 185)

Akkadian

gapnu/gupnu - bush, (fruit)tree; vine (CAD G 44, AHw. 281, 298)

not attested before 1 millenium, meaning ‘vine’ - sparsely in NB only (probably due to WS influence)

Ebla

ga-pá-na-na-ù - vine(?) (EV 0392; Arcari 1984: 324)

corresponds to sum. še.ninni₅

Ebla

ga-pá-na-na-u₉, gáp-na-ne-u₉ - vine(?) (VE 1431ʹ, EV 0432; Arcari 1984: 324)

both correpond to sum. ú.tir