Etymograph

English

reauthentication

Reauthentication comes from English authentication.

  1. English1500–presentauthentication1
  2. Englishtodayreauthentication1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English reauthentication

Earlier history not traced here. See Wiktionary.

Lineage

  1. English1500–presentauthenticationWiktionary, English reauthentication
  2. EnglishtodayreauthenticationWiktionary, English reauthentication

A compound of re- + authentication

Proto-Italic *wre- ‘again’

English re-

Medieval Latin authenticō

English authenticate

English authentication

Today it means

noun authentication again

Sources

Sources: Wiktionary, “reauthentication”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / English authentication / reauthentication