Meaning

verb reestablish on a new, usually improved, basis or make new or like new

verb cause to appear in a new form

originFrom Middle English renewen, an alteration (possibly on analogy with Latin renovāre) of earlier anewen (“to renew”), from Old English nīewian (“to restore; renovate; renew”), equivalent to re- + new. Cognate with Old High German giniuwōn (“to renew”), Middle High German geniuwen (“to renew”), Old Norse nýja (“to renew”).

Etymology from Wiktionary, CC BY-SA 3.0