Definition: a root denoting motion; the word frequently occurs in the Sūtras of Pāṇini and the Mahābhāṣya in connection with some special operations prescribed for roots which are गत्यर्थ. There is also a conventional expression सर्वे गत्यर्था ज्ञानार्था: meaning 'roots denoting motion denote also knowledge'; cf. Hem. Pari. 121 .