Dictionary Definition:
Ativela (adj.) [ati + vela] excessive (of time); nt. adv. ˚ŋ a very long time; excessively D i.19 (= atikālaŋ aticiran ti attho DA i.113); M i.122; Sn 973 (see expln. at Nd1 504); J iii.103 = Nd1 504.