Where does “bursārius” come from?

bursārius (Latin) comes from Latin bursa, from Ancient Greek βύρσα — the skin stripped off a hide, leather; the skin...

Ancestry of “bursārius”, step by step

Step	Language	Word	Meaning
1	Latin	bursa	oxhide, animal skin; purse, especially one made...
2	Ancient Greek	βύρσα	the skin stripped off a hide, leather; the skin...