Mahabharata 15.37.18

ततः कुन्ती श्वशुरयोः प्रणम्य शिरसा तदाउवाच वाक्यं सव्रीडं विवृण्वाना पुरातनम्

tataḥ kuntī śvaśurayoḥ praṇamya śirasā tadāuvāca vākyaṃ savrīḍaṃ vivṛṇvānā purātanam

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