Your question contains your answer.... "Eternity," implies without end.
-Forever, or infinity can be used in conjunction with "eternity"
immortals have an eternity life
The word eternally is an adverb. It means to do something for eternity.
Forever everlasting
Apeirophobia
The word that describes a time without beginning or end, often referred to as infinite time, is "eternity." Eternity signifies an existence that transcends the temporal limits of past, present, and future, suggesting a state of timelessness. It is commonly associated with philosophical, spiritual, and cosmological discussions about the nature of time and existence.
Hmmmm
The word 'eternity' appears four (4) times in the KJV Bible.
The lumber supply in a forest is abundant.
No, the word 'eternal' is an adjective, a word used to describe a noun.The noun form of the adjective 'eternal' is eternalness.A related noun form is eternity.
I think the word you want is "eternity".
eternity
The word 'abundant' is an adjective, a word used to describe a noun.The noun form of the adjective 'abundant' is abundance.Examples:There is abundant sand in the desert. (adjective)There is an abundance of sand in the desert. (noun)