Where does “piriton” come from?

piriton (Bikol Central) comes from Hungarian pirít, from English pyrite, from Old French pyrite, from Latin pȳritēs, from Ancient Greek πῡρίτης λίθος, from Ancient Greek πῦρ, from Proto-Hellenic *pāwər.

Ancestry of “piriton”, step by step

Step	Language	Word	Meaning
1	Hungarian	pirít	to burn, tan; to fry, brown; to toast
2	English	pyrite	The common mineral iron disulfide (FeS2), of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system
3	Old French	pyrite	—
4	Latin	pȳritēs	pyrite
5	Ancient Greek	πῡρίτης λίθος	stone of fire, flint
6	Ancient Greek	πῦρ	a fire; lightning; a fever
7	Proto-Hellenic	*pāwər	—

Every word from Proto-Hellenic *pāwər →Every word from Ancient Greek πῦρ →Every word from Ancient Greek πῡρίτης λίθος →