Where does “Nyèthe” come from?

Nyèthe (Franco-Provençal) comes from Ancient Greek Ἁγνή, from Ancient Greek ἁγνός, from Ancient Greek ἁγνεία, from Ancient Greek ᾰ̔γνός.

Ancestry of “Nyèthe”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Ἁγνή	pure, chaste
2	Ancient Greek	ἁγνός	pure, chaste; holy, sacred; purifying
3	Ancient Greek	ἁγνεία	purity, chastity; purification, cleansing
4	Ancient Greek	ᾰ̔γνός	—