Vedic Metre in its Historical Development c11.216

c11.216

Syllabic restoration of accented ý ḱ, of some -ya suffixes after light syllables, and of all after heavy syllables, of v in tvám, tvám, etc., and of y v r n before certain vocalic case-endings, is the rule throughout the Rigveda: but in the popular Rigveda exceptions increase in number.