स sa. The words ending in suffixal स sa, with or without preceding union-vowel, are a heterogeneous group, and in considerable part of obscure derivation. Thus:

a. With sa simply: gṛtsa clever, jeṣá winning (rather, aoristic s? 1148j), -dṛkṣa looking, rukṣá shining, rūkṣá rough; útsa n. fountain; bhīṣā́ f. fear (or from the secondary root bhīṣ).

b. With preceding i-vowel: taviṣá (f. táviṣī) strong, mahiṣá (f. máhiṣī) mighty, bhariṣá (?) seeking booty; ṛjīṣá rushing, púrīṣa rubbish, manīṣā́ f. devotion; and comparerayīṣín (? SV.).

c. With preceding u-vowel: aruṣá (f. áruṣī) red, açúṣa ravenous, táruṣa overcomer, púruṣa and mánuṣa (-us-a?) man; pīyū́ṣa biestings.