negation

Etymology
From Middle English negacioun, borrowed from Old French negacion, from Latin negātiō (“a denial; negative word”).

Etymology
From negō (“deny, refuse”).

Etymology
Univerbation of ne (“not”) and the root of aiō (“to say yes”).

Etymology
From Proto-Italic *agjō, from Proto-Indo-European *h₁ǵyéti, from Proto-Indo-European *h₁eǵ- (“to say”).

Cognate with Latin adagium, prōdigium, Ancient Greek ἠμί (ēmí, “to say”), Old Armenian ասեմ (asem, “to say”), and Proto-Tocharian *āks- (“to announce, proclaim, instruct”). See also negō.