The Compendium of Caraka 1.8.3

1.8.3

iha khalu pañcendriyāṇi pañcendriyadravyāṇi pañcendriyādhiṣṭhānāni pañcendriyārthāḥ pañcendriyabuddhayo bhavanti ityuktamindriyādhikāre //

Here, indeed, there are five sense faculties, five sense elements, five sense seats, five sense objects, and five sense cognitions; thus it is stated in the section on sense faculties.