Word Origin & History
stormO.E. storm, from P.Gmc. *sturmaz (cf. O.N. stormr, O.S., M.L.G., M.Du., Du. storm, O.H.G., Ger. sturm). O.Fr. estour "onset, tumult," It. stormo are Gmc. loan-words. Fig. (non-meteorological) sense was in late O.E. The verb in the sense of "to rage, be violent" is from c.1380; military sense (1645)
first used by Oliver Cromwell. Storm-door first recorded 1878; storm-water is from 1879; storm-window is attested from 1824. Storm-troops (Ger. sturmtruppen) is from 1917, introduced by the German military in World War I. Storm-trooper "member of the Nazi Sturmabteilung" is from 1933 (see
Sturmabteilung).