[1865–70; aqui- + (agri)culture]This word is first recorded in the period 1865–70. Other words that entered Englishat around the same time include: black belt, racism, steamroller, tick-tack-toe, valenceaqui- is a combining form meaning “water,” used in the formation of compound words. Otherwords that use the affix aqui- include: aquiclude, aquifer