From Wiktionary, the free dictionary
From Turkish peki, contraction of pekiyi, from pek (“very”) + iyi (“good”).
pekyi
- okay, that's fine, it's settled, it's as you say, agreed
- Joseph Nehama, Jesús Cantera (1977) “pékyi”, in Dictionnaire du Judéo-Espagnol (in French), Madrid: CSIC, →ISBN, page 424