Where does “pyrsio” come from?

pyrsio (Welsh) comes from Welsh pwrs, from Middle Welsh pwrs, from Middle English purse, from Old English purs, from Old English burse, from Late Latin bursa, from Ancient Greek βύρσα — the skin stripped off a hide, leather; the skin...

Ancestry of “pyrsio”, step by step

Step	Language	Word	Meaning
1	Welsh	pwrs	purse, pouch
2	Middle Welsh	pwrs	—
3	Middle English	purse	—
4	Old English	purs	purse, leather bag; wallet, scrip
5	Old English	burse	pouch, bag
6	Late Latin	bursa	hide, purse; purse, hide
7	Ancient Greek	βύρσα	the skin stripped off a hide, leather; the skin...

Every word from Ancient Greek βύρσα →Every word from Late Latin bursa →Every word from Old English burse →