Etymograph

English

fermeture

Fermeture comes from French fermeture ‘closing’, and goes back to Medieval Latin firmātūrus ‘about to strengthen’.

  1. Medieval Latinc. 600–1500firmātūrusas firmatūra‘about to strengthen’
  2. Frenchc. 1600–presentfermeture‘closing’
  3. Englishtodaysame form

attested reconstructed ? uncertain or disputed

Lineage

  1. Medieval Latinc. 600–1500firmātūrusas firmatūra‘about to strengthen’
  2. Frenchc. 1600–presentfermeture‘closing’
  3. Englishtodaysame form

Today it means

noun The mechanism for closing the breech of a breech-loading firearm, in artillery consisting principally of the breechblock, obturator, and carrier ring.

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

Etymograph / Medieval Latin firmātūrus / fermeture