avatari' - incarnating; prabhu - the Lord; pracārila - propagated; saṅkīrtana - the congregational chanting of the holy name; eho - this; bāhya - external; hetu - reason; pūrve - previously; kariyāchi - I have given; sūcana - indication.

The Lord came to propagate saṅkīrtana. That is an external purpose, as I have already indicated.