sā́dhiṣṭha mfn. (superl. of sādhu) straightest (as a path) RV

• most effective (as a sacrifice) ib

• very fit, most proper or right ChUp

• hardest, very hard or firm (= dṛdha-tama

• in these senses regarded as irreg. superl. of bāḍha Pāṇ. 5-3, 63) L