Anusvaara
From Wikipedia, the free encyclopedia.
Anusvaara (or anusvaaram) appears in the alphabet of Indian languages like Sanskrit and Dravidian languages and in Devanagari script. Anusvaara
nasalizes pronunciation of the vowel sound to which it is attached (namely, the
one just preceding it). The exact nature of nasalization depends on the consonant
sound which follows it (or if it is at the end of a word, by the "m" sound). In Sanskrit often the anusvaara is replaced by the corresponding nasal consonant.

