Русско-санскритский словарь / русско-санскритский словарь.
Около 30 тысяч слов санскрита.
दुस् [ dus ] [ dus ] ind. a prefix to nouns and rarely to verbs or adverbs ( Lit. Pāṇ. 2-1 , 6 ; 2 , 18 Vārtt. 2 Lit. Pat. ; iii , 3 , 126 ) implying evil , bad , difficult , hard ( 488,1 )
badly , hardly ; slight , inferior ( opp. to [ su ] ) , often = Engl. (in-) or [ un- ] ( ( cf. √ 2. [ duṣ ] ; Zd. (dush-) ; Gk. 1 ; Goth. (tuz-) ; O.H.G. (zur) . ) ) . It becomes [ dur ] ( q.v.) before vowels and soft consonants
[ dū ] ( q.v.) before [ r ] and sometimes before [ d ] , [ dh ] , [ n ] , which become [ ḍ ] , [ ḍh ] , [ ṇ ]
remains unchanged before [ t ] , [ th ] ( in older language however [ ṣṭ ] , [ ṣṭh ] )
becomes [ duṣ ] ( q.v.) , rarely [ duḥ ] before [ k ] , [ kh ] ; [ p ] , [ ph ]
[ duś ] ( q.v.) before [ c ] , [ ch ]
[ duḥ ] ( q.v.) , rarely [ duś ] , [ duṣ ] , [ dus ] , before [ ś ] , [ ṣ ] , [ s ] .