ravati

to shout cry, make a (loud) noise Mil.254
aor ravi Ja.i.162 (baddha-rāvaṃ ravi); Ja.ii.110; Ja.iii.102; Pv-a.100; arāvi Mhvs.10, Mhvs.69 (mahā-rāvaṃ); and aravi Mhvs.32, Mhvs.79. pp. ravita & ruta;
■ Cp. abhi˚, vi˚.

ru: Idg. *re & *reu;, cp. Lat. ravus “raw, hoarse,” raucus, rūmor “rumour”; Gr. ὠρυόμαι to shout ὠρυδόν roaring, etc.; Dhtp.240: ru “sadde”