Etymology 1 
From Proto-Albanian *eta, from Proto-Indo-European *aiu̯-, ai̯u (“vital energy, vitallity”). Cognate to Latin aetās, aetātem, Tocharian A āym (“mind, life”), Ancient Greek αἰές (aiés, “always”). Perhaps a formation from jam with Albanian -(ə)t suffix. Related to eshë (“period of time, span, space”).
Derived terms 
Etymology 2 
- third-person singular present subjunctive of jam