PTS Pali-English dictionary - The Pali Text Society's Pali-English dictionary
āciṇa
Āciṇa,[pp. of ācināti? or is it distorted from āciṇṇa?] accumulated; practised,performed Dh.121 (pāpaṁ = pāpaṁ āciṇanto karonto DhA.III,16). It may also be spelt ācina. (Page 96)
Concise Pali-English Dictionary by A.P. Buddhadatta Mahathera