The article under consideration dwell on the issue beset with the analysis of an old word afdum \ bofdum used in Rudaki`s poetry and in some men-of-letters` creations belonging to the medieval period. Adducing the result of the comparison of further past tense of afdum \ bofdum with its formal type in Rudaki`s time, the author comes to the conclusion that its background was apatama in the ancient Iranian language and gave the following meanings “last, final”, and as a result of structural changes in the Persian language it became like afdum \ bofdum form. It is underscored that various forms of afdum \ bofdum were found in the dictionaries appertaining to the medieval and modern epoch and the owners of such creations explained its meaning in brief form and in details occasionally. Proceeding from this assumption, the author of the article comes to the conclusion that among the seven forms of the lexicon in question those ones mentioned by the authors of ancient and modern dictionariesm the form of afdum is close to its ancient origin – apatama and was resorted to with a partial change in our ancestors` creations.
Rudaki's work, Avestan language, analyzed (inflectional) and composite (analytical) state of the language, language evolution, Old Persian and Middle Persian language, Bofdum, medieval explanatory dictionaries, Persian (Tajik) language
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