Yājñavalkya Śikṣā 99

99

kariṇī rahayoryoge kurviṇī lahakārayoḥ
hariṇī raśayoryoge haritā laśakārayoḥ

and that which is named haṃsapadā occurs in the case of r and ṣ. / Kariṇī: “devaṃ barhiḥ”; kurviṇī: “upabalhāv”;