reunir
/reuˈniɾ/ · A2 · verb
to gather, to collect, to bring together, to assemble, to get together, to round up, to marshal, to compile, to put together, to pull together, to draw together, to pool
🧲 re + unir = to unite again: bring scattered things back into one
From Latin re- (again) + unire (make one, from unus = one). Same root as English reunion and reunite. Meeting requirements is the same idea: you gather every needed quality together in one candidate.