Quail

Chamber's Twientieth Century Dictionary · 1908 · p. 84

kwāl, v.i. to cower: to fail in spirit: ( Shak. ) to slacken.— v.t. to subdue: to terrify.— n. Quail′ing ( Shak. ), act of one who quails: a failing in courage. [A.S. cwelan , to die; Ger. quälen , to suffer.]