Nāma-kāya: the 'mind-group' as distinguished from rūpa-kāya the materiality-group comprises the 4 immaterial groups of existence arūpino khandhā see: 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.
Maha Thera Nyanatiloka. Manual of Buddhist Terms and Doctrines, Buddhist Publication Society, first edition 1952.