wunderkind
A child prodigy; a wonderchild.
A highly talented or gifted person, especially one who is successful at a young age.
Harriet Pappenheim, a psychotherapist at Park Avenue Relationship Consultants who wrote “For Richer or Poorer,” a 2006 book on money in marriage, said that the repercussions could be acute for Wall Street wunderkinds who define their identities through their job titles and the size of their bonuses.
Where it comes from
Unadapted borrowing from German Wunderkind, from Wunder (“wonder”) + Kind (“child”). Compare native wonderchild.
Adapted from the Wiktionary entry wunderkind (CC BY-SA 4.0).