Click on the virama, called halant in Sanskrit (diacritic in the center) to delete the inherent vowel a: the virama is needed between two consonants.
example: for vedānta, type: v + e + d + a + n + virama + t + a
To type directly with the computer keyboard:
Download & install the font Siddhanta
→ Sanskrit language: dictionary & grammar
→ Devanagari Sanskrit Keyboard
→ Sanskrit Conversion Devanagari-Latin
→ Multilingual keyboard: index