bhū́yiṣṭha mf(A)n. (accord. to [Pāṇ. vi, 4, 158] superl. of bahu) most numerous or abundant or great or important, chief principal, [RV.] &c. &c.
(ifc. = having anything as chief part or ingredient, chiefly filled with or characterised by, nearly all, almost; cf. śūdra-bh°, nirvāṇa-bh° &c.)