Where does “cirereta” come from?

cirereta (Catalan) comes from Catalan cirera, from Vulgar Latin ceresia, from Latin ceresium, from Latin cerasium, from Ancient Greek κεράσιον, from Ancient Greek κερασός, from Akkadian ???? — pear-tree.

cirereta (Catalan): black nightshade

Definitions

black nightshade

Ancestry of “cirereta”, step by step

Step	Language	Word	Meaning
1	Catalan	cirera	a cherry
2	Vulgar Latin	ceresia	—
3	Latin	ceresium	—
4	Latin	cerasium	cherry, fruit of the cherry tree
5	Ancient Greek	κεράσιον	cherry; cherry tree
6	Ancient Greek	κερασός	bird cherry, "Prunus avium"
7	Akkadian	????	pear-tree

Every word from Akkadian ???? →Every word from Ancient Greek κερασός →Every word from Ancient Greek κεράσιον →