Precocious
Precocious , adjective
[Latin praecox, -ocis, and praecoquus, from praecoquere to cook or ripen beforehand; prae before + coquere to cook. See 3d Cook, and compare Apricot.]
1.
Ripe or mature before the proper or natural time; early or prematurely ripe or developed; as, precocious trees. [Rare] — Sir T. Browne
2.
Developed more than is natural or usual at a given age; exceeding what is to be expected of one's years; too forward; -- used especially of mental forwardness; as, a precocious child; precocious talents.