English

erroneity

From erroneous + -ity.

Formed from erroneous + -ity

Latin errō ‘wanderer, vagabond’

Latin erroneus ‘wandering, straying, vagrant’

Middle French erroneux

Middle English erroneous

Today it means

noun The state or quality of being erroneous; incorrectness.

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

Etymograph / erroneity