English edit

Alternative forms edit

Etymology edit

From Ancient Greek αἰώνιος (aiṓnios, lasting for an age; perpetual; eternal) + -an, the former from αἰών (aiṓn, lifetime; aeon; age; generation) (whence also eon, aeon) + -ιος (-ios, adjective suffix).

Pronunciation edit

Adjective edit

eonian (comparative more eonian, superlative most eonian)

  1. Of or pertaining to an eon
  2. (by extension) eon-long, everlasting