that which; flows (out or on to) outflow & influx.

  1. spirit, the intoxicating extract or secretion of a tree or flower, O. C in Vin.iv.110 (four kinds); B. on DN.iii.182 (five kinds Dhs-a.48; Kp-a.26; Ja.iv.222; Ja.vi.9.
  2. discharge from a sore, AN.i.124, AN.i.127 = Pp.30.
  3. in psychology t.t. for certain specified ideas which intoxicate the mind (bemuddle it, befoozle it, so that it cannot rise to higher things). Freedom from the “Āsavas” constitutes Arahantship, & the fight for the extinction of these āsavas forms one of the main duties of man. On the difficulty of translating the term see Cpd.227. See also discussion of term āsava (= āsavantī ti āsavā) at Dhs-a.48 (cp Expositor pp. 63 sq). See also Cpd. 227 sq., & especially; Dhs trsl. 291 sq
    ■ The 4 āsavas are kām˚, bhav˚ diṭṭh˚, avijj˚; i.e. sensuality, rebirth (lust of life), speculation and ignorance
    ■ They are mentioned as such at DN.ii.81, DN.ii.84, DN.ii.91, DN.ii.94, DN.ii.98, DN.ii.123, DN.ii.126; AN.i.165 sq., AN.i.196, AN.ii.211; AN.iii.93, AN.ii.414; AN.iv.79; Pts.i.94, Pts.i.117; Dhs.1099, Dhs.1448 Cnd.134; Ne.31, Ne.114 sq
    ■ The set of 3, which is probably older (kāma˚, bhava˚, avijjā˚) occurs at MN.i.55; AN.i.165; AN.iii.414; SN.iv.256; SN.v.56, SN.v.189; Iti.49; Vb.364 For other connections see Vin.i.14 (anupādāya āsavehi cittani vimucciṃsu), Vin.i.17, Vin.i.20, Vin.i.182; Vin.ii.202; Vin.iii.5 (˚samudaya ˚nirodha etc.); DN.i.83, DN.i.167; DN.iii.78, DN.iii.108, DN.iii.130, DN.iii.220, DN.iii.223 DN.iii.230, DN.iii.240, DN.iii.283; MN.i.7 sq., MN.i.23, MN.i.35, MN.i.76, MN.i.219, MN.i.279, MN.i.445 (˚ṭhāniya); MN.ii.22; MN.iii.72, MN.iii.277; SN.ii.187 sq. (˚ehi cittaṃ vimucci); SN.iii.45 (id.); SN.iv.107 (id.), SN.iv.20; SN.v.8, SN.v.28, SN.v.410; AN.i.85 sq. (vaḍḍhanti), AN.i.98, AN.i.165 (˚samudaya, ˚nirodha etc.) AN.i.187; AN.ii.154 (˚ehi cittaṃ vimuttaṃ), AN.ii.196; AN.iii.21, AN.iii.93 (˚samudaya, ˚nirodha etc.), AN.iii.245, AN.iii.387 sq., AN.iii.410, AN.iii.414; AN.iv.13, AN.iv.146 (˚pariyādāna end of the ā.), AN.iv.161 (˚vighāta-pariḷāha); AN.v.70 AN.v.237; Thig.4, Thig.99, Thig.101 (pahāsi āsave sabbe); Snp.162 Snp.374, Snp.535 (pl. āsavāni), Snp.546, Snp.749, Snp.915, Snp.1100; Dhp.93 Dhp.253, Dhp.292; Mnd.331 (pubb˚); Vb.42, Vb.64, Vb.426; Pp.11 Pp.13, Pp.27, Pp.30 sq.; Mil.419; Dhs-a.48; Thag-a.94, Thag-a.173; Kp-a.26; DN-a.i.224; Sdhp.1; Pgdp.65 (piyāsava-surā, meaning?).

Referring specially to the extinction (khaya) of the āsavas & to Arahantship following as a result are the foll. passages: 1 āsavānaṃ khaya DN.i.156; SN.ii.29 SN.ii.214; SN.iii.57, SN.iii.96 sq, SN.iii.152 sq; SN.iv.105, SN.iv.175; SN.v.92, SN.v.203, SN.v.220, SN.v.271, SN.v.284; AN.i.107 sq., AN.i.123 sq., AN.i.232 sq., AN.i.273, AN.i.291, AN.ii.6, AN.ii.36, AN.ii.44 sq., AN.ii.149 sq., AN.ii.214; AN.iii.69, AN.iii.114, AN.iii.131, AN.iii.202, AN.iii.306, AN.iii.319 sq.; AN.iv.83 sq., AN.iv.119, AN.iv.140 sq., AN.iv.314 sq.; AN.v.10 sq., AN.v.36, AN.v.69, AN.v.94 sq, AN.v.105, AN.v.132, AN.v.174 sq., AN.v.343 sq.; Iti.49; Pp.27, Pp.62; Vb.334, Vb.344; Vism.9; DN-a.i.224; cp. ˚parikkhaya AN.v.343 sq. See also arahatta formula C 2 khīṇāsava (adj. one whose Āsavas are destroyed (see khīṇa) SN.i.13, SN.i.48 SN.i.53, SN.i.146; SN.ii.83, SN.ii.239; SN.iii.199, SN.iii.128, SN.iii.178; SN.iv.217; AN.i.77 AN.i.109, AN.i.241, AN.i.266; AN.iv.120, AN.iv.224, AN.iv.370 sq.; AN.v.40, AN.v.253 sq.; Pts.ii.173; cp. parikkhīṇā āsavā AN.iv.418, AN.iv.434, AN.iv.451 sq. āsavakhīṇa Snp.370 3 anāsava (adj.) one who is free from the āsavas, an Arahant Vin.ii.148 = Vin.ii.164; DN.iii.112; SN.i.130; SN.ii.214, SN.ii.222; SN.iii.83; SN.iv.128; AN.i.81, AN.i.107 sq., AN.i.123 sq., AN.i.273, AN.i.291; AN.ii.6, AN.ii.36, AN.ii.87, AN.ii.146; AN.iii.19, AN.iii.29, AN.iii.114, AN.iii.166; AN.iv.98, AN.iv.140 sq., AN.iv.314 sq., AN.iv.400; AN.v.10 sq., AN.v.36, AN.v.242 AN.v.340; Snp.1105, Snp.1133; Dhp.94, Dhp.126, Dhp.386; Thag.100; Iti.75; Cnd.44; Pv.ii.6#15; Pp.27; Vb.426; Dhs.1101, Dhs.1451; Vv-a.9. Cp. nirāsava Thag-a.148
■ Opp. sāsava SN.iii.47 SN.v.232; AN.i.81 AN.v.242; Dhs.990; Ne.10; Vism.13, Vism.438.

fr. ā + sru, would corresp. to a Sk. *āsrava, cp. Sk. āsrāva. The BSk. āśrava is a (wrong) sankritisation of the Pāli āsava, cp. Divy.391 & kṣīnāśrava