रु [ ru ] [ ru ]1 Root cl. [2] P. ( Lit. Dhātup. xxiv , 24 ; cf. Lit. Pāṇ. 7-3 , 15) [ rauti ] or [ ravīti ] ( Ved. also [ ruváti ] and [ ravoti ] , [ °te ] ; p. [ rúvat ] , [ ravat ] , [ ravamāṇa ] , [ ravāṇa ] ; pf. [ rurāva ] Lit. MBh. ; [ ruruvire ] Lit. Br. ; aor. [ árāvīt ] Lit. RV. ; Prec. [ rūyāt ] Gr. ; fut. [ ravitā ] or [ rotā ] Lit. ib. ; [ raviṣyati ] Lit. ib. ; inf. [ ravitum ] Lit. ib. , [ rotum ] Lit. Kāv.) , to roar , bellow , howl , yelp , cry aloud Lit. RV. ; to make any noise or sound , sing (as birds) , hum (as bees) Lit. MBh. Lit. Kāv. ; ( [ rauti ] ) to praise Lit. Naigh. iii , 14 : Caus. [ rāvayati ] (aor. [ arūruvat ] with the sense of the Intens. Lit. BhP. ; or [ arīravat ] Lit. Pāṇ. 7-4 , 80 Sch.) , to cause to bellow or roar , cause an uproar Lit. ĀśvŚr. Lit. MBh. : Desid. of Caus. [ rirāvayiṣati ] Gr. : Desid. [ rurūṣati ] Lit. ib. : Intens. (Ved.) [ róravīti ] (p. [ róruvat ] and [ róruvāṇa ] ) or (ep.) [ rorūyate ] , [ °ti ] or (Gr.) [ roroti ] . to bellow or roar loudly , scream aloud , vociferate. ( cf. Gk. 1 ; Lat. (raucus) ; Angl.Sax. (ry7n) . )