thaumato-

Wonder or miracle.

Greek thauma, thaumat‑, marvel.

Thaumaturgy is the performance of wonders or miracles, carried out by a thaumaturge (both words are from Greek ‑ergos, -working); a thaumatrope is a nineteenth-century scientific toy consisting of a rotating disc that causes two pictures to superimpose; thaumatology is the description or study of miracles.