Öz OZETXV. yuzy.lda ya.am.. olan Cefayi�fnin H. 889 / M. 1484 y.l.nda yazm.. oldu.u Da�cay.�cu�fl-.a�cay.�c Eski Anadolu Turkcesi donemine ait bir eserdir. Manzum bir siyerdir. Kaynaklarda hakk.nda bilgi bulunmayan Cefayi ve eseri, bu yaz.m.zda ele al.n.p incelenecektir.Anahtar kelimeler: Eski Anadolu Turkcesi, Cefayi, Da�cay.�cu�fl-.a�cay.�c ABSTRACTDa�cay.ku�fl-.a�cay.�c, written in 1484 by Cefayi who lived in the 15th century, belongs to the period of Old Anatolian Turkish. It is a biography of the Prophet Mohammad in verse. The is little information about Cefayi but no information about his work. In this article, the outher and his work are studied grammatically.Key Words: Old Anatolian Turkish, Cefayi, Da�cay.�cu�fl-.a�cay.�c