The Compendium of Caraka 4.5.5

4.5.5

tasya puruṣasya pṛthivī mūrtiḥ, āpaḥ kledaḥ, tejo 'abhisantāpaḥ, vāyuḥ prāṇaḥ, viyat suṣirāṇi, brahma antarātmā/

Of that man, earth is the material form, water is moisture, fire is heat, wind is the vital breath, ether is the cavities, and Brahman is the inner self.