Closure
late Middle English: from Old French, from late Latin clausura, from claus- ‘closed’, from the verb claudere .
wiktionary
From Middle English closure, from Old French closure, from Late Latin clausura, from Latin claudere(“to close”); see clausure and cloture (etymological doublets) and close.
etymonline
closure (n.)
late 14c., "a barrier, a fence," from Old French closure "enclosure; that which encloses, fastening, hedge, wall, fence," also closture "barrier, division; enclosure, hedge, fence, wall" (12c., Modern French clôture), from Late Latin clausura "lock, fortress, a closing" (source of Italian chiusura), from past participle stem of Latin claudere "to close" (see close (v.)).
Sense of "act of closing, a bringing to a close" is from early 15c. In legislation, especially "closing or stopping of debate" (compare cloture). Sense of "tendency to create ordered and satisfying wholes" is 1924, from Gestalt psychology.
