The Compendium of Caraka 1.11.38

1.11.38

tatraikaṃ &sparśanamindriyāṇāmindriyavyāpakaṃ, cetaḥsamavāyi, sparśanavyāptervyāpakamapi ca cetaḥ; tasmāt sarvendriyāṇāṃ vyāpakasparśakṛto yo bhāvaviśeṣaḥ, so 'ayamanupaśayāt pañcavidhastrividhavikalpo bhavatyasātmyendriyārthasaṃyogaḥ; sātmyārtho hyupaśayārthaḥ //

Therein, the single sense of touch pervades all senses and inheres in the mind; and because of pervading touch, the mind also is all-pervading. Therefore, that particular state produced by all-pervading touch across all senses, which through unwholesomeness is fivefold and of three modalities, is the unwholesome conjunction of the senses with their objects; for "wholesome" means "conducive to health."