Word-building potential of Tajik adverbial prefix no- and its English equivalents

The article dwells on the issues beset with the study of morphological peculiarities and word-building potential of Tajik adverbial prefixno-and its English equivalents.In the comparative languages, prefixes occupy an important role in the formation of new derivative words. Summing up the results of the analysis, the author concludes that adducing word-building potential of the prefix in question forming Tajik adverbs is of many similarities and differences in certain cases. It is worth mentioning that English equivalents of Tajik derivative adverbs formed by this prefix are not identical and the same-formed ones and some of them are used and translated as simple, derivative and composite ones.