Evliya Çelebi’s Seyāḥatnāme, i.e. "Book of Travels", contains, among others, a handful of Slavic words that are marked as Ukrainian. As a matter of fact, some of them display mixed features, probably resulting from the contamination of Ukrainian and Russian variants. Such hybrid words (e.g., [9]) are attested together with purely Ukrainian (e.g., [2]) and purely Russian (e.g., [18]) forms. This situation prompted this author to classify Evliya Çelebi’s lexical materials as surzhyk vocabulary and, thus, antedate the emergence of surzhyk (see section 3).