京都大学 / 0048 / 新制・課程博士 / 博士(文学) / 甲第22193号 / 文博第840号 / 新制||文||692(附属図書館) / 京都大学大学院文学研究科行動文化学専攻 / (主査)教授 吉田 豊, 教授 磯貝 健一, 准教授 CATT Adam Alvah / 学位規則第4条第1項該当 / Doctor of Letters / Kyoto University / DGAM

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Problem of Archaism and Innovation in the Eastern Iranian Languages The presented dissertation aims to bring new information concerning the classification of the Eastern Iranian languages. Instead of commonly accepted two branches of Eastern Iranian (Northern and Southern) it seems that there can be classified at least five branches of Eastern Iranian languages, moreover, Avestan can form its own branch, which possibly may include also Khwārezmian. The main issue of the presented thesis was to show archaisms and innovations of the language group in focus. Such task is an issue for numerous studies so the main attention was paid to historical development of Sogdian and Yaghnōbī - two closely related Eastern Iranian languages. Linguistic proximity of Sogdian and Yaghnōbī has been observed shortly after discoveries of the first Sogdian documents in Chinese Turkestan on the beginning of the 20 th century, for a long time it has been supposed that Yaghnōbī is a modern descendent of Sogdian. By analysis of phonology, grammar and vocabulary of both languages I tried to find clues that may answer this question. From diachronic view there is no much difference between Sogdian and Yaghnōbī, individual changes may be interpreted as "dialectal", but there is one phenomenon that influenced different...