English
fissionability
From fission + -ability.
Formed from fission + -ability
Proto-Indo-European *bʰeyd- ‘to split’
…
Proto-Italic *findō ‘to split, cleave’
Latin findō ‘split, divide’
Latin fissiō ‘the act of breaking up’
Latin fissiōnem
English fission
Today it means
noun The quality or degree of being fissionable.
Language periods are conventional ranges, not dates for this word.
Etymograph / fissionability