Where does “neifrít” come from?

neifrít (Irish) comes from Latin lapis nephriticus, from Ancient Greek λίθος — a stone; stone as a substance.

neifrít (Irish): nephrite

Definitions

Step	Language	Word	Meaning
1	Latin	lapis nephriticus	—
2	Ancient Greek	λίθος	a stone; stone as a substance

neifrít — Etymology, Origin & Word History | Etymology Explorer