The paper deals with textual, historiographic and etymological premises of the town name Tъmutorokanь. Based on Hebrew, Turkic, Arabic, Byzantine (medieval Greek) and Latin-Italian (Genoese) medieval attestations, the author connects the etymology of the town name Tъmutorokanь with the issue of the periodization of the formation of Ukrainian. In addition, the traditional etymology is tested from the point of view of the absolute chronology of the rise of East Slavic pleophony. Both textual and historiographic evidence allows the author to argue that the inhabitants of this town used Old Ukrainian as the primary language of communication as early as the eleventh century

本文涉及城镇名称Tъmutorokanь的文本、史学和词源学前提。根据希伯来语、突厥语、阿拉伯语、拜占庭语（中世纪希腊语）和拉丁-意大利语（热那亚语）中世纪证明，作者将城镇名称Tъmutorokanь的词源与乌克兰语形成的分期问题联系起来。此外，还从东斯拉夫复音兴起的绝对年代学的角度对传统词源进行了检验。文本和史学证据都让作者认为，这个城镇的居民早在十一世纪就使用古乌克兰语作为主要交流语言