Mindfulness translates sati, whose root sense is remembering: keeping in mind. It is the seventh factor of the eightfold path and the first factor of awakening: the steady, unforgetting attention that knows body, feelings, mind and mental states as they arise. In recent decades it has been adapted for secular use.
Mindfulness
Sati: clear, present awareness of what is happening as it happens, central to Buddhist meditation.
Also: sati, smrti