Dictionary Definition:
Ārakatta (nt.) [*ārakāt + tvaŋ] warding off, keeping away, holding aloof, being far from (c. gen.); occurring only in pop. etym. of arahant at A iv.145; DhA iv.228; DA i.146 = VvA 105, 106 = PvA 7; cp. DhsA 349.