CC Ādi 4.90

‘sarva-lakṣmī’-śabda pūrve kariyāchi vyākhyāna
sarva-lakṣmī-gaṇera tiṅho hana adhiṣṭhāna
Word for word: 
sarva-lakṣmī-śabda — the word sarva-lakṣmī; pūrve — previously; kariyāchi — I have done; vyākhyāna — explanation; sarva-lakṣmī-gaṇera — of all the goddesses of fortune; tiṅho — She; hana — is; adhiṣṭhāna — abode.
Translation: 
I have already explained the meaning of “sarva-lakṣmī.” Rādhā is the original source of all the goddesses of fortune.