ادَى
1.
[a noun denoting the comparative and superlative degrees, irregularly formed from the verb ادَى; like as the noun ادَى in article ادى is irregularly formed from the verb أَدَّى in that article]. You say, هُوَ ادَى شَىْءٍ, meaning أَقْوَاهُ and أعْدَاهُ [It is the strongest kind of thing, and, apparently, the most effectual to aid or assist, or to avenge]. (TA.)
2.
See also article ادى.