Mahabharata 13.87.1

युधिष्ठिर उवाच · yudhiṣṭhira uvāca

चातुर्वर्ण्यस्य धर्मात्मन्धर्मः प्रोक्तस्त्वयानघतथैव मे श्राद्धविधिं कृत्स्नं प्रब्रूहि पार्थिव

cāturvarṇyasya dharmātmandharmaḥ proktastvayānaghatathaiva me śrāddhavidhiṃ kṛtsnaṃ prabrūhi pārthiva

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