Anguish-based concentration of mind- A type of inauspicious Dhyāna (meditation);
the mournful current of concentrated thought directed on 'the separation from the very dear and agreeable objects (or persons)' and 'the association with the undesirable and disagreeable objects (or persons)'.
priyāpriyaviyogasaṃyoge cintanamārttam.
(Jaisidī 6.46)