Mahabharata 13.109.22
चैत्रं तु नियतो मासमेकभक्तेन यः क्षपेत्सुवर्णमणिमुक्ताढ्ये कुले महति जायते
caitraṃ tu niyato māsamekabhaktena yaḥ kṣapetsuvarṇamaṇimuktāḍhye kule mahati jāyate
Our plain-language meaning of this verse is waiting for scholar review.