Dhāraṇā (Sanskrit: धारणा) is translated as "collection or concentration of the mind (joined with the retention of breath)", or "the act of holding, bearing, wearing, supporting, maintaining, retaining, keeping back (in remembrance), a good memory", or "firmness, steadfastness, certainty". This term is related to the verbal Sanskrit roots dha and ana, to hold, carry, maintain, resolve. Dharana is the noun. Dhāraṇā is the sixth limb of eight elucidated by Patanjali's Ashtanga Yoga or Raja Yoga in his Yoga Sutras of Patanjali. Overview.
https://en.wikipedia.org/wiki/Dh%C4%81ra%E1%B9%87%C4%81