'nutriment', 'food', ...
is used in the concrete sense as material food and as such it belongs to derived corporeality (s. khandha, Summary I.)
In the figurative sense, as 'foundation' or condition, it is one of the 24 conditions (paccaya, q.v.) and is used to denote 4 kinds of nutriment, which are material and mental:
material food (kabalinka^ra^ha^ra),
(sensorial and mental) impression (phassa),
mental volition (mano-san~cetana^),
Material food feeds the eightfold corporeality having nutrient essence as its 8th factor (i.e. the solid, liquid, heat, motion, colour, odour, the tastable and nutrient essence; s. rúpa-kala^pa).
Sensorial and mental impression is a condition for the 3 kinds of feeling (agreeable, disagreeable and indifferent); s. paticcasamuppa^da (6).
Mental volition (= karma, q.v.) feeds rebirth; s. paticca-samuppa^da (2).
Consciousness feeds mind and corporeality ;na^ma-rúpa; ib., 2) at the moment of conception" (Vis.M. XI).
Literature (on the 4 Nutriments): M. 9 & Com. (tr. in 'R. Und.'), M 38; S. XII, 11, 63, 64 - The Four Nutriments of Life, Selected texts & Com. (WHEEL 105/106).