English
revertability
From revert + -ability.
Formed from revert + -ability
Proto-Indo-European *wert- ‘to turn, to rotate, spin’
…
Proto-Italic *wertō ‘to turn’
Latin vertō ‘to turn, turn oneself, direct one's way, to…’
Latin revertor ‘to return’
Old French revertir ‘to return’
English revert
Today it means
noun The quality of being revertable.
Language periods are conventional ranges, not dates for this word.
Etymograph / revertability