English
impeccability
From impeccable + -ability.
A compound of impeccable + -ability
Proto-Italic *petkāō ‘to sin’
Latin peccō ‘to err, to sin’
Latin impeccabilis ‘not liable to sin’
Middle French impeccable
English impeccable
Today it means
noun The property of being impeccable.
Language periods are conventional ranges, not dates for this word.
Etymograph / impeccability