Mahabharata 3.291.13

सर्वान्कामयते यस्मात्कनेर्धातोश्च भामिनितस्मात्कन्येह सुश्रोणि स्वतन्त्रा वरवर्णिनि

sarvānkāmayate yasmātkanerdhātośca bhāminitasmātkanyeha suśroṇi svatantrā varavarṇini

Our plain-language meaning of this verse is waiting for scholar review.