A Brahma world, one of the Suddhāvāsā. The inhabitants of this world are friendly mit those of Akanitthā. (D.ii.52; M.i.259; D.iii.237; M.iii.103; KhA.120; Vsm.473).
Some anāgāmīs obtain Parinibbāna in Sudassī. PSA.319.