Mahabharata 12.82.20

वासुदेव उवाच · vāsudeva uvāca

अनायसं मुने शस्त्रं मृदु विद्यामहं कथम्येनैषामुद्धरे जिह्वां परिमृज्यानुमृज्य च

anāyasaṃ mune śastraṃ mṛdu vidyāmahaṃ kathamyenaiṣāmuddhare jihvāṃ parimṛjyānumṛjya ca

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