dust from the divine feet (which was explained as -thaval̤ap podi #) —

dust of the divine feet —

applying powdered black pigment [mixed in oil] —

to become dust particles —

to become ashes —

to turn into dust —

to be converted into ashes —

to be annihilated to become ashes —

to turn them into dust —

[some one] with ashes —

to become dust —

will burn them into ashes —

black pigment —

to transform them into particles of dust —

 the ashes which resulted from those burnt bodies —