A Dravidian Etymological Dictionary 15) aval aval (p. 210) ...to pestle (millet) second time; aky av- (avt-) to pestle (millet) third time...

   15) aval aval (p. 210)

...to pestle (millet) second time; aky av- (avt-) to pestle (millet) third time...

https://dsal.uchicago.edu/cgi-bin/app/burrow_query.py?qs=aval&searchhws=yes&matchtype=exact

A Dravidian Etymological Dictionary

   1) aval aval (p. 210)

2391 Ta. aval rice obtained from fried paddy by pestling it; avai (-pp-, -tt-) to pound in a mortar, crush, cuff, prod; avaiyal well-husked rice. Ma. avil rice bruised and dried; avekka to beat rice; aval flattened rice obtained from paddy by pestling it. Ko. kac av- (avt-) to pestle (millet) second time; aky av- (avt-) to pestle (millet) third time. To. af- (aft-) to pound with light strokes; ofil puffed rice. Ka. aval pound, beat; n. pounding, beating in a mortar; (also aval-akki) rice bruised and crushed. Koḍ. avl-akki rice fried and each grain pounded flat. Tu. abepuni, abeyuni, abeccuni to beat or pound rice. Kol. (Kin.) cavli mortar. Nk. savli id. Nk. (Ch.) savli id. Pa. cavil id.; cavkol (pl. cavkocil) pestle. Ga. (Oll.) savul mortar; savkol pestle; (S.) savvul mortar; savkōl pestle. ? Go. (W. Ph.) sahkī, (Tr.) sāhkī, (Ch.) sahki, (A. Y.) cahki, (G. Mu.) hahki, (Ma.) ahki, aˀ ki, (Ko.) ahk id. (Voc. 3363; or with 2799 Konḍa sonki, Pe. henki). / Cf. Turner, CDIAL, no. 4749, *cāmala-, *cāvala- husked rice (Burrow 1967, p. 41). DED(S, N) 1976.