Meaning

verb place troops or weapons in battle formation

verb to distribute systematically or strategically

originBorrowed from French déployer (“to unroll, unfold”), from Old French desploiier, itself from des- + ploiier, or possibly from Late Latin displicāre (“to unfold, display”), from Latin dis- (“apart”) + plicare (“to fold”). Compare Middle English desployen, dysployen (“to unfold, display”). Doublet of display.

Etymology from Wiktionary, CC BY-SA 3.0