the 'mind-group' (as distinguished from rūpa-kāya, the corporeality-group) comprises the 4 immaterial groups of existence (arūpino khandhā; s. khandha).

This twofold grouping, frequent in Com., occurs first in D.15, also in Pts.M. (I, 183); nāma-kāya alone is mentioned in Sn.1074.