4 ms·Astu (अस्तु) is imperative, asti, (अस्ति) is what would be used.by gigogkggi 9y agoAstu (अस्तु) is imperative, asti, (अस्ति) is what would be used.danans 9y agoEither works depending on the context. "astu" is more like "let it be so". Still, there is no single generic affirmative particle.DFHippie 9y agoI believe the direct cognate of this in Latin is "esto".