PWS

*ˀVbb- - sprout, shoot, flower, fruit (Kogan 2011: 201; Kogan 2012: 256, n. 96)

a derivation of Akkadian inbu from this root cannot be theoretically ruled out

Ugaritic
ˀib - fruit, bud, flower (DUL 4)
Hebrew
ˀēb - shoot, sprout (HALOT 2)
Hebrew
ˀābīb - ears of corn (HALOT 4)
Syriac
ˀebbā - fruit (LSyr. 1, SL 1)
Arabic
ˀabb- - vegetation, herbage (Lane 3)
Amharic
abäba - flower (AED 1197)
for the etymology of this word and similar Gurage forms see EDG 6, Appleyard 1977: 39