English
redundancy
From redundant + -cy.
A compound of redundant + -cy
Latin unda ‘a wave’
Latin undō ‘to surge, flood’
Latin redundō ‘to overflow, redound’
Latin redundāns ‘overflowing, abounding’
English redundant
Today it means
noun The state of being redundant.
Language periods are conventional ranges, not dates for this word.
Etymograph / redundancy