- deploy (v.)
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- 1786 as a military word, from French déployer "unroll, unfold," from Old French desploiier "unfold," from Latin displicare "unfold, scatter," from dis- (see dis-) + plicare "to fold" see ply (v.1)). "In its AFr. form regularly adopted in ME as desplay" [OED]. Related: Deployed; deploying.