Prefixes are short, meaningful sounds that are added to the beginning of some word.
Here we give just a few prefixes.
Verb prefixes
The a prefix usually shows that something happened in the past.
sarve bālāḥ khādanti ⟶ sarve bālā akhādan
All the children eat. ⟶ All the children ate.
ā implies a sense of "toward":
saṃjayo vṛkṣam gacchati
Sanjaya goes to the tree.saṃjaya āgacchati
Sanjaya is coming.