From Wiktionary, the free dictionary
Compare French orvet.
arvèt m (plural arvèts) (ORB, broad)
- slowworm, blindworm (Anguis fragilis)
- orvet in DicoFranPro: Dictionnaire Français/Francoprovençal – on dicofranpro.llm.umontreal.ca
- arvèt in Lo trèsor Arpitan – on arpitan.eu