This Ṛg-vedic word, for which Grassmann's Wörterbuch proffers the meanings—
1. “noble,” “of high origin (Abkunft)”;
2. (of goods, possessions) “fine”, “excellent”
recurs in the Sāma-veda and in the Kāṣhaka-saṃhitā and Maitrāyaṅī- s. of the Black Yajur-veda, but only in two passages taken verbatim from the Rv., viz. Vi.42.4 = Sv. II.6.3.2.4, and V, 1, 5 = Ks. XVI, 3, XIX, 4, Ms. II.7.3. In the other Vedic texts, in the Nirukta, in Pāṇini's Aṣṭādhyāyi and its commentaries, in the Gaṇa-pāṭha, the Uṇādi lists and in the whole subsequent independent literature it seems to be uninstanced. The Ṛg-veda commentaries, which could not fail to interpret it, propound meanings for the most part different from those adopted by Grassmann.