Smṛtyupasthāna

See also;4 foundations of mindfulness
smṛtyupasthāna;
   1 (dbye ba lus kyi nyer bzhag
   2 tshor ba'i nyer bzhag
   3 bsam pa'i nyer bzhag
   4 chos kyi nyer bzhag)

Base of mindfulness. There are four:
   kāya-,
   vedanā-,
   citta- and
   dharma-s ;

foundation(s)/support(s) of mindfulness; one whose mindfulness is well established; mindful; {GD:536} the four applications of mindfulness

   (1) mindful establishment of body;
   (2) mindful establishment of feelings;
   (3) mindful establishment of thoughts;
  (4) mindful establishment of phenomena.

Source

dictionary.buddhistdoor.com