Where does “clise” come from?

clise (Portuguese) comes from Old French cerise, from Latin ceresia, from Latin ceresium, from Latin cerasium, from Ancient Greek κεράσιον, from Ancient Greek κερασός, from Akkadian ???? — pear-tree.

Ancestry of “clise”, step by step

Step	Language	Word	Meaning
1	Old French	cerise	cherry
2	Latin	ceresia	cherry
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 →