English
imperception
From im- + perception.
Formed from in- + perception
Proto-Indo-European *kap-
…
Latin perceptus ‘perceived, observed’
Latin perceptiō ‘a receiving or collecting, perception,…’
Middle French percepcion
Middle English percepcioun
English perception
Today it means
noun Lack of perception; failure to perceive.
Language periods are conventional ranges, not dates for this word.
Etymograph / imperception