atappa
'the unworried', is the name of a class of deities (s. deva) inhabiting the first of the five Pure Abodes (suddhāvāsa), in which the Anāgāmī (q.v.) has his last rebirth.
Buddhist Dictionary by NYANATILOKA
'the unworried', is the name of a class of deities (s. deva) inhabiting the first of the five Pure Abodes (suddhāvāsa), in which the Anāgāmī (q.v.) has his last rebirth.