spoor

jäljet, jälki The track, trail, droppings or scent of an animal
1971, William S. Burroughs, The Wild Boys: A Book of the Dead, page 10

Now he has picked up the spoor of drunken vomit and there is the doll sprawled against a wall, his pants streaked with urine.

Even poor Nobs appeared dejected as we quit the compound and set out upon the well-marked spoor of the abductor.