The negative verb or negation verb; not, be not, do not, etc.
köken: The indicative forms are from Proto-Finnic *e-, from Proto-Uralic *e- ~ *ä- ~ *a- (negative verb stem). The imperative forms are from Proto-Finnic *älä-, from the Proto-Finno-Ugric negative imperative verb stem *älä- ~ *elä-. Details and cognates Noteworthy forms include eivät (replacing earlier evät by influence from the third-person singular ei). For more forms, see the Proto-Finnic and…
aile: ehkei, ehtyä, ei-, ei lainkaan, ei ollenkaan, eih, eikä, eiköhän, eittämättä, eittää
köken: From Proto-Finno-Ugric *ne (“no, not”). In the Ob-Ugric languages, it has been used only in pronominal forms such as Northern Mansi нэ̄матыр (nè̄matyr, “nothing”), нэ̄мхо̄т (nè̄mhōt, “nowhere”), нэ̄мхуньт (nè̄mhunʹt, “never”) (Sosva) and Northern Khanty нємхуйат (nêmhujat, “nobody”) (Kazym) or нємәԓхуйат (nêməłhujat)/нємәԯхуйат (nêməłhujat) etc.