frog Look up frog at Dictionary.com
O.E. frogga, a dim. of frox, forsc, frosc "frog," from P.Gmc. *fruska-z (cf. O.N. froskr, M.Du. vorsc, Ger. Frosch "frog"), probably lit. "hopper" (cf. Skt. provate "hops," Rus. prygat "to hop, jump"). The L. word (rana) is imitative of croaking. As a derogatory term for "Frenchman," 1778 (short for frog-eater), but before that (1652) it meant "Dutch" (from frog-land "marshy land"). To have a frog in the throat "hoarseness" is from 1909.