geometry (n.) Look up geometry at Dictionary.com
early 14c., also gemetrie, gemetry, from Old French geometrie (12c., Modern French géométrie), from Latin geometria, from Greek geometria "measurement of earth or land; geometry," from comb. form of ge "earth, land" (see Gaia) + -metria "a measuring of" (see -metry). Rendered in Old English as eorðcræft, "earth-craft."