Where does “bisaccia” come from?

bisaccia (Italian) comes from Latin bisaccium, from Latin bi-, from Ancient Greek κύκλος, from Proto-Indo-European kʷékʷlos, from Proto-Indo-European kʷel- — to turn.

bisaccia (Italian): knapsack, haversack; pannier, saddlebag

Definitions

knapsack, haversack; pannier, saddlebag

Ancestry of “bisaccia”, step by step

Step	Language	Word	Meaning
1	Latin	bisaccium	double saddlebag, twofold horse-holdall, wallet
2	Latin	bi-	having two parts; occurring twice
3	Ancient Greek	κύκλος	circle, ring; Any circular object, such as a...
4	Proto-Indo-European	kʷékʷlos	wheel; circle
5	Proto-Indo-European	kʷel-	to turn

Every word from Proto-Indo-European kʷel- →Every word from Proto-Indo-European kʷékʷlos →Every word from Ancient Greek κύκλος →