Śrīmad-Bhāgavatam 3.10.16

bhūtacreation of matter-sargaḥcreation of matter — creation of matter; tṛtīyaḥis the third — is the third; tubut — but; tatsense perception-mātraḥsense perception — sense perception; dravyaof the elements — of the elements; śaktimāngenerator — generator; caturthaḥthe fourth — the fourth; aindriyaḥin the matter of the senses — in the matter of the senses; sargaḥcreation — creation; yaḥthat which — that which; tubut — but; jñānaknowledge-acquiring — knowledge-acquiring; kriyāworking — working; ātmakaḥbasically — basically.