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. v, 3, 63]), [L.]
, sādhīyas. See p. 1201.