pituḥ father's, vākyam words (order), samatikramitum to transgress, mama for me, śaktiḥ power, nāsti is not there, aham I, śirasā bowing my head, prasādayē I am propitiating, vanam to forest, gantum to depart, icchāmi wishing.
I do not have the power to transgress the orders of my father. Bowing my head I beseech you, allow me to go to the forest.