Proto-IE: *āg'h-
Meaning: aspiration, striving
Avestan: āzi-š m. `Begierde'; āza-š m. `Streben, Eifer'
Other Iranian: NPers az `id.'
Old Greek: ǟkhḗn, -ē̂nos m. `arm, dürftig', pl. ǟkhē̂n-es <ēkhē̂nes> `kenoí, ptōkhoí' (Hsch.)
Russ. meaning: стремление, желание
References: WP I 40 f