v. to believe, have faith in
n. faith; belief

Het ont kriist Miraak, wo ahtiid ok sahvot ol Qah, spaan naal Deyra fah ok unslaad midun.
Here once stood Miraak, who wore his faith as Armor, shielded by the Daedra for his unending loyalty.
(Word Wall for Qah, Dragon Aspect)

Unknown if strictly religious or if it may pertain to general trust and loyalty.

Possibly related to unattested word sav/saav ‘to save’ from saviik ‘savior’, or related to ov ‘to trust’.