cl. 2. P. ([Dhātup. xxiv, 60]) svapiti (Ved. and ep. also svápati, °te; Impv. sváptu, [AV.]; Pot. svapīta, [MBh.]; pf. suṣvāpa [3. pl. suṣupuḥ; p. suṣupvás and suṣupāṇá, qq.vv.] [RV.] &c. &c.; aor. asvāpsīt; Prec. supyāt, [GṛS.] fut. svaptā, [MBh.]; svapiṣyati, [AV.]; °te, [R.]; svapsyati, [Br.] &c.; °te, [MBh.] &c.; inf. svaptum, [Br.] &c.; ind.p. suptvā́, [AV.] &c., -svā́pam, [RV.]), to sleep, fall asleep (with varṣa-śatam, ‘to sleep for a hundred years, sleep the eternal sleep’), [RV.] &c. &c.; to lie down, recline upon (loc.), [Mn.]; [MBh.] &c.; to be dead, [MBh.]; [R.]; Pass. supyate (aor. asvāpi), [MBh.]; [Kāv.] &c.; Caus. svāpáyati, or (mc.) svapayati (aor. asūṣupat; in [RV.] also siṣvapaḥ, síṣvap; Pass. svāpyate), to cause to sleep, lull to rest, [RV.]; [AV.]; [PañcavBr.]; to kill, [RV.]; [Bhaṭṭ.] : Desid. of Caus. suṣvāpayiṣati Gr.: Desid. suṣupsati, to wish to sleep, [Nir. xiv, 4] : Intens. soṣupyate, sāsvapīti, sāsvapti, soṣupīti, soṣopti Gr.
[cf. Gk. ὕπ-νος; Lat. somnus for sop-nus, sopor, sopire; Slav. sǔpati; Lith. sápnas; Angl.Sax. swefan, ‘to sleep’.]
sv-ap mfn. having good water, [Vop.]