PTS Pali-English dictionary - The Pali Text Society's Pali-English dictionary
Vyappatha
Vyappatha，（nt．） [perhaps a distortion of *vyāpṛta，for which the usual P．（der．） veyyāvacca （q．v．） in meaning “duty”] 1．duty，occupation，activity Sn．158 （khīṇa° of the Arahant：having no more duties，cp．vyappathi）．-- 2．way of speaking，speech，utterance Sn．163，164 （contrasted to citta & kamma； cp．kāya，vācā，mano in same use），expld at SnA 206 by vacīkamma； & in defn of “speech” at Vin．IV，2 （see under byappatha）； DhsA．324 （expld as vākya-bheda）．（Page 653）
Vyappatha，【中】1．duty，occupation，activity （khīṇavyappatha of the Arahant：having no more duties，cp．vyappathi）．-- 2．way of speaking，speech，utterance Sn 163，164 （contrasted to citta & kamma； cp．kāya，vācā，mano in same use），by vacīkamma； & in defn of “speech” （see under byappatha）； DhsA 324 （expld as vākya-bheda）．