Vedic Metre in its Historical Development c11.234

c11.234

(b) The feminine case-endings in -yai, -yāḥ, -yām, the optative in -yā and the verbal-suffix -nu before vowels shew only occasional vocalisation: in the optative forms (except siáma) this is not found later than the normal period. In the case of the verbal-suffix -u would seem to be primitive, and this may be the case also with the other forms.