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).
Practica parlar i memoritzar " eonian " i moltes altres paraules i frases a anglès .