aupaniṣadá mf(ī)n. contained or taught in an Upanishad ŚBr. xiv MuṇḍUp. ŚāṅkhGṛ. Mn. vi, 29, &c
• a follower of the Upanishads, a Vedāntin Comm. on Bādar. ii, 2, 10

Sanskrit-English Dictionary, by M. Monier William