Where does “cannarsi” come from?

cannarsi (Italian) comes from Italian cannare, from Italian canna, from Latin canna, from Ancient Greek κάννα, from Akkadian 𒄀, from Sumerian 𒄀 — reed; a certain unit of length.

Ancestry of “cannarsi”, step by step

Step	Language	Word	Meaning
1	Italian	cannare	to bungle, screw up; to fail, flunk
2	Italian	canna	cane; barrel; rod
3	Latin	canna	A reed, cane; Anything made of reed or cane;...
4	Ancient Greek	κάννα	giant reed; reed mat
5	Akkadian	𒄀	reed; a certain unit of length
6	Sumerian	𒄀	reed; a certain unit of length

Every word from Sumerian 𒄀 →Every word from Akkadian 𒄀 →Every word from Ancient Greek κάννα →