Su
					
					Su,3 (indecl.) (-°) [*ssu,fr.Vedic svid,interrog.part.,of which other forms are si and sudaṁ.It also stands for Vedic sma,deictic part.of emphasis,for which also sa & assa] a particle of interrogation,often added to interrogative pronouns; thus kaṁ su S.I,45; kena ssu S.I,39; kissa ssu S.I,39,161 (so read for kissassa); ko su Sn.173,181; kiṁ su Sn.1108; kathaṁ su Sn.183,185,1077; it is often also used as a pleonastic particle in narration; thus tadā su then D.II,212; hatthe su sati when the hand is there S.IV,171.It often takes the forms ssu and assu; thus tyassu=te assu D.II,287; yassāhaṁ=ye assu ahaṁ D.II,284 n.5; api ssu Vin.I,5; II,7,76; tad-assu=tadā su then J.I,196; tay’assu three Sn.231; āditt’assu kindled D.II,264; nāssu not Sn.291,295,297,309; sv-assu=so su J.I,196.Euphonic ṁ is sometimes added yehi-ṁ-su J.VI,564 n.3; kacciṁ-su Sn.1045,1079.(Page 715)