kāmacchanda (T. 'dod pa la 'dun chags འདོད་པ་ལ་འདུན་ཆགས་; C. yutan 欲貪) is translated as "sensual pleasure," "sensuous gratification," etc. It is an intesification of mere kāma (sensuality).
Kāmachanda is identified as one of the five hindrances. In this context, it is an obstacle to achieving meditative absorption (dhyana).
For further information, see: