Karnatakabhashabhushana 8.10

When one [is meant], the singular [occurs].

When a single referent is intended to be expressed, only the singular occurs:

ātan orvane māḍidaṁ, māḍidapaṁ, māḍuvaṁ (‘he alone made, makes, will make’);

nīn orvane māḍiday, māḍidapay, māḍuvay (‘you alone made, make, will make’);

ān orvane māḍideṁ, māḍidapeṁ, māḍuveṁ (‘I alone made, make, will make’).