English
helpability
From help + -ability.
Formed from help + -ability
Proto-Indo-European *ḱelb- ‘to help’
…
Proto-Germanic *helpō ‘help, aid’
Proto-West Germanic *helpu
Old English help ‘help, aid, assistance’
Middle English help
English help
Today it means
noun The ability to be helped or to provide help.
Language periods are conventional ranges, not dates for this word.
Etymograph / helpability