kötü

Numeral

 * 1) one

Etymology
From.

Perhaps related to. For the sense development, compare. Initial /k/ preserved unvoiced perhaps to distinguish the word from göt. However, the vowel of the last syllable of kötü cannot be explained morphologically which makes unlikely a derivation from.

Dankoff puts under 🇨🇬 in his list of Turkish words whose Armenian etymology is speculative or not firmly established. To be compared to the Turkish dialectal form of Çanıllı. For the sense development, compare with, whence Turkish has   and 🇨🇬.

Adjective

 * 1) bad, evil

Noun

 * 1) villain, knave, rogue

Declension

 * If it's declined (except for the predicative forms), it becomes a noun meaning "(a) bad person/thing"