perpetuality
/pəˌpɛtʃʊˈalɪti/ /pəˌpɛtjʊˈalɪti/noun
The quality, state, or condition of being perpetual; perpetuity.
Origin
Mid 16th century; earliest use found in The Chronicle of John Hardyng. From perpetual + -ity. Compare post-classical Latin perpetualitas, French perpetualité, Old Occitan perpetualitat, Italian †perpetualità.