Du°
Du°,1 (& before vowels dur°) (indecl.) [Sk.duḥ & duṣ=Gr.duζ--,Oir.du-,Ohg.zur-,zer-; antithetic prefix,generally opposed to su°=Gr.eu]-- etc.Ultimately identical with du2 in sense of asunder,apart,away from= opposite or wrong] 1.syllable of exclamation (=duḥ) “bad,woe” (beginning the word du (j) --jīvitaṁ) DhA.II,6,10=PvA.280,cp.J.III,47; Bdhgh’s expln of the syllable see at Vism.494.-- 2.prefix,implying perverseness,difficulty,badness (cp.dukkha).Original form *duḥ is preserved at dur- before vowels,but assimilated to a foll.consonant according to the rules of Assimilation,i.e.the cons.is doubled,with changes of v to bb & usual lengthening dū before r (but also du°).For purposes of convenience all cpds.with du° are referred to the simplex,e.g.dukkaṭa is to be looked up under kata,duggati under gati etc.
See:A.dur°.akkhāta,accaya,atikkama,atta,adhiroha,anta,annaya,abhisambhava; āgata,ājāna,āyuta,āsada; itthi; ukkhepa,ubbaha.-- B.du°: (k)kata,kara; (g)ga,gata,gati,gandha,gahīta; (c)caja,carita,cola; (j)jaha,jāna,jivha,jīvita; (t)tappaya,tara; (d)dama,dasika; (n)naya,nikkhaya,nikkhitta,niggaha,nijjhāpaya,nibbedha,nīta; (p)pañña,paṭiānaya,paṭinissaggin,paṭipadā,paṭivijjha,paṭivedha,pabhajja,pamuñca,pameyya,parihāra,payāta,pasu,peyya,posa; (p)phassa; (bb=b):bala,balika,budha; (bb=v):dubbaca=) vaca,vacana,vaṇṇa,vijāna,vidū,vinivijjha,visodha,vuṭṭhika; (b) bhaga,bhara,bhāsita,bhikkha; (m)mati,mana,maṅku,mukha,mejjha,medha; (y)yiṭṭha,yuja,yutta; (du+r)=du-ratta,ropaya (dū+r):dū-rakkha; (l)labha; (s)saddhapaya,sassa,saha,sīla; hara.(Page 324)