Proto-IE: *eis-
Meaning: to fall upon, to act sharply
Tokharian: B aise 'power' (Adams 107)
Old Indian: iṣṇā́ti, íṣyati `to cause to move quickly, to send off, impel, incite', ī́ṣate `to go; to fly away, escape; to attack, hurt'; iṣ- f. `refreshment, enjoyment', iṣirá- `refreshing, flourishing; vigorous, active, quick'
Avestan: aēš- `(sich) in eilige Bewegung setzen', aēšma- `Zorn'
Old Greek: iái̯nō `wärmen, erquicken, erfreuen', hīaró-, hīeró- `kräftig, rasch'; ói̯stro-s m. 'Bremse, Viehbremse, Stich, Stachel, heftiger Trieb, heftige Begier, Verlangen, Wut, Wahnsinn'
Latin: īra f. `Zorn, Wut'
Russ. meaning: бросаться, резко воздействовать
References: WP I 106 f
piet-meaning,piet-tokh,piet-ind,piet-avest,piet-greek,piet-balt,piet-germ,piet-lat,piet-rusmean,piet-refer,