Etymograph

English

deploy

Deploy comes from French déployer ‘to unroll, unfold’, from Latin plicō ‘to fold’, and ultimately from Proto-Indo-European *pleḱ- ‘to plait, to weave’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pleḱ-‘to plait, to weave’reconstructed
  2. Latinc. 75 BCE–200 CEplicōas plicare‘to fold’
  3. Old Frenchc. 842–1400desploiier‘to unfold’
  4. Frenchc. 1600–presentdéployer‘to unroll, unfold’
  5. Englishearliest quotation 1834deploy

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pleḱ-‘to plait, to weave’reconstructed
  2. Latinc. 75 BCE–200 CEplicōas plicare‘to fold’
  3. Old Frenchc. 842–1400desploiier‘to unfold’
  4. Frenchc. 1600–presentdéployer‘to unroll, unfold’
  5. Englishearliest quotation 1834deploy

Earliest quotation: 1834, Letitia Elizabeth Landon, London: Richard Bentley: “The carriage, which was at full gallop, stopped suddenly;…”

The story

Borrowed 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’).

Linked words

through Proto-Indo-European *pleḱ- ‘to plait, to weave’

complex, fiasco, replication, flax, flack, plexus, flagon, 34 more

through Latin plicō ‘to fold’

apply, display, employment, reply, explicit, imply, exploitation, exploit, implicit, employ, replica, complication, complicate, accomplice, inexplicable, complicity, ply, implicate, supple, pliable, supplication, triplicate, explication, pliant, splay, 22 more

Today it means

verb To prepare and arrange (originally military unit or units, i.e., to array troops) for use.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *pleḱ- / deploy