c.1200, "to appease, pacify, satisfy," from O.Fr. paiier (12c.), from L. pacare "to please, pacify, satisfy" (especially a creditor), from pax (gen. pacis) "peace." Meaning "to give what is due for goods or services" arose in M.L., was attested in Eng. by early 13c.; sense of "please, pacify" died out in Eng. by 1500. Sense of "suffer, endure" (a punishment, etc.) is first recorded late 14c. Payday first attested 1520s. Payphone first attested 1936.