c.1565, noun use of adj. scurvy (c.1425), variant of scurfy (see scurf). It took on the meaning of Du. scheurbuik, Fr. scorbut "scurvy," the disease characterized by swollen and bleeding gums, prostration, etc., perhaps from O.N. skyrbjugr, perhaps lit. "a swelling (bjugr) from drinking sour milk (skyr) on long sea voyages;" but OED has alternative etymology of M.Du. or M.L.G. origin, as "disease that lacerates the belly," from schoren "to lacerate" + M.L.G. buk, Du. buik "belly."