Definition: a class of words headed by the word भीम in which the Uṇādi affixes म and others, as prescribed by specific Uṇādi sūtras, are found added in the sense of the 'apādāna' case-relation; e.g. भीमः in the sense 'बिभेति अस्मात्'. Similarly भीष्मः, भूमि:, रज: etc. cf. Kāś. on P.III.4.74.