English
immortalism
From immortal + -ism.
Formed from immortal + -ism
Proto-Indo-European *mer- ‘to die’
…
Proto-Italic *mortis ‘death’
Latin mors ‘death’
Latin mortālis ‘mortal’
Latin immortālis ‘immortal, undying, not subject to death’
English immortal
Today it means
noun Synonym of immortality.
Language periods are conventional ranges, not dates for this word.
Etymograph / immortalism