Vedic Metre in its Historical Development c12.42

c12.42

(iv) Except the instrumental forms in *-tī* and *-ī*, these case-endings are rare in the Rigveda: for instance *-ū* (locative) is only found in *camū́* and *tanū́*, of which the first only occurs in combination, and the second rarely except before consonant groups. But at any rate the hypothesis of long final vowels meets every metrical necessity. Examples are: