"water-bearing layer of rock," 1897, from Latin aqui-, combining form of aqua "water" (from PIE root *akwa- "water") + -fer "bearing," from ferre "to bear, carry," from PIE root *bher- (1) "to carry."
Aquarius
aquatic
aquatint
aqueduct
aqueous
aquifer
Aquila
aquiline
Aquitaine
aquiver
ar-