When You shower mercy, it is Your Grace || When the Guru's Shabds meet, it is Your Grace ||"
Translated to English, it means:
The prayer is a humble request to Waheguru to lead the devotee from the source of existence to the ultimate reality, transcending the cycle of birth and death. aar nanak paar nanak english translation updated
Here is an updated English translation of the prayer: When You shower mercy, it is Your Grace
Oh Nanak! Come from the primal energy, cross over to the other shore || It is Your benevolence, Your benevolence, Your benevolence alone || When You shower mercy