patati

to fall, jump, fall down on (loc. acc. & instr.), to alight Ja.i.278 (dīpake); Snp.248 (nirayaṃ); Pv.iv.10#8 (1st pl. patāmase); Mil.187; Pv-a.45 ppr. patanto Ja.i.263 (asaniyā); Ja.iii.188 (nāvāya); fut patissati Ja.iii.277; aor. pati Snp.1027 (sirasā); Ja.iii.55; Pv.i.7#8; ger. patitvā Ja.i.291; Ja.iii.26; Pv-a.16; Dhp-a.iii.196 (vv.ll. papāta & papatā the latter aor. of papatati q.v.); ger. patitvā Ja.i.291; Ja.iii.26; Pv-a.16. pp. patita (q.v.)
caus pāteti (q.v.). Pass. (Caus. patīyati is brought to fall also intrs. rush away Ja.iv.415 (= palāyati C.); Mil.187.

Ved. patati, Idg. *pet “to fly” as well as “to fall.” Cp. Av. pataiti fly, hurry; Gr. πέτομαι fly, ὠκυπέτης quick, πίπτω fall; Lat. praepes quick, peto to go for, impetus, attack etc.