Morpheme
Aevitern
Type
bound base
Denotation
perpetual, infinite time, undefined long period of time, temporal mode of existence between time and eternity
Etymology
Latin aeviternus, from aevitās + -rnus, from aevum + -tās
Evidence
aeviternal, aeviternity
Notes
aeviternity, aevum, and aye are doublets
also spells Ævitern