I always thought it was a typo error (The daedric is Seht, not Sehti) but I wanted your opinion, O illustrious loremasters !
(I'm asking all this questions because I'm trying to translate and explain a lot of the important words and sentences of the Elder Scrolls lore (like "AYEM AE SEHTI AE VEHK" or "Magna-Ge") in French)