Restore
Middle English: from Old French restorer, from Latin restaurare ‘rebuild, restore’.
wiktionary
From Middle English restoren, from Old French restorer, from Latin rēstaurāre.
etymonline
restore (v.)
c. 1300, restoren, "to give back," also, "to build up again, repair; renew, re-establish; free from the effects of sin; bring back to a former and better state," from Old French restorer, from Latin restaurare "repair, rebuild, renew." This is from re- "back, again" (see re-) + -staurare, not attested by itself but also in instaurare "to set up, establish; renew, restore," etc., from PIE root *sta- "to stand, make or be firm."
From late 14c. as "to cure, heal, bring back to a vigorous state;" of objects, beliefs, etc., "bring back to an original state or condition," 1670s. Related: Restored; restoring.
