1855 in reference to the reigns of the first four kings George of England (1714-1830), especially in reference to the decorative style of the era of the first two. From c. 1600 as "pertaining to Georgia" in the Caucasus; 1762 as "pertaining to Georgia" in America; the noun in this sense is c. 1400 (Caucasus), 1741 (America).
geophysics
geopolitical
Geordie
George
Georgia
Georgian
georgic
geosphere
geosyncline
geothermal
geotropism