A sub-type of Nāma (body-making) Karma, the Udaya (rise) of which is responsible for the parts of body such as tongue to remain unsteady and weak. (It is opposite to Sthiranāma Karma).
yadudayavaśājjihvādīnāmavayavānāmasthiratā bhavati tadasthiranāma.(Prajñā 23.38 Vṛ Pa 474)
- Sthiranāma.