Английский Этимологический словарь - storm (n.)

- O.E. storm, cognate with O.N. stormr, from P.Gmc. *sturmaz. The verb in the sense of "to rage, be violent" is from c.1380; military sense (1645) first used by Oliver Cromwell. Ger. Sturm und Drang "storm and stress" is title of a 1776 play by Klinger, taken as symbolic of a new literary movement.