Eternity

[ih-tur-ni-tee] /ɪˈtɜr nɪ ti/

noun, plural eternities.
1.
infinite time; duration without beginning or end.
2.
existence, especially as contrasted with mortal life:
the eternity of God.
3.
Theology. the timeless state into which the soul passes at a person’s death.
4.
an endless or seemingly endless period of time:
We had to wait an eternity for the check to arrive.
5.
eternities, the truths or realities of life and thought that are regarded as timeless or .
/ɪˈtɜːnɪtɪ/
noun (pl) -ties
1.
endless or infinite time
2.
the quality, state, or condition of being eternal
3.
(usually pl) any of the aspects of life and thought that are considered to be timeless, esp timeless and true
4.
(theol) the condition of timeless existence, believed by some to characterize the afterlife
5.
a seemingly endless period of time: an eternity of waiting
n.

late 14c., from Old French eternité (12c.), from Latin aeternitatem (nominative aeternitas), from aeternus (see eternal). In the Mercian hymns, Latin aeternum is glossed by Old English ecnisse.