Mahabharata 3.147.17

सावज्ञमथ वामेन स्मयञ्जग्राह पाणिनान चाशकच्चालयितुं भीमः पुच्छं महाकपेः

sāvajñamatha vāmena smayañjagrāha pāṇināna cāśakaccālayituṃ bhīmaḥ pucchaṃ mahākapeḥ

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