"track, trace," 1823, used originally by travelers in South Africa, from Afrikaans spoor, from Dutch spoor, from Middle Dutch spor, cognate with Old English spor "footprint, track, trace," from Proto-Germanic *spur-am, from PIE *spere- "ankle" (see spurn).
the hounds followed the fox's spoor
spoon-bread
spoonerism
spoon-feed
spoonful
spoony
spoor
sporadic
sporangium
spore
spork
sporo-