English

affirmativeness

From affirmative + -ness.

A compound of affirmative + -ness

Proto-Indo-European *dʰer- ‘to support’

…

Latin affirmō ‘to assert’

Latin affirmativus ‘affirming, affirmative’

Old French affirmatif

Middle English affirmative

Today it means

noun The property of being affirmative.

Language periods are conventional ranges, not dates for this word.

Etymograph / affirmativeness