Where does “besaunt” come from?

besaunt (Middle English) comes from Middle Dutch besant, from Old French bezant, from Latin byzantius — of Byzantium.

Ancestry of “besaunt”, step by step

Step	Language	Word	Meaning
1	Middle Dutch	besant	—
2	Old French	bezant	bezant
3	Latin	byzantius	of Byzantium

besaunt — Etymology, Origin & Word History | Etymology Explorer