English
inapplication
From in- + application.
Formed from in- + application
Latin applicō ‘to join to, attach; apply’
Latin applicātiō ‘attachment; application’
Old French aplicacion
Middle English applicacioun
English application
Today it means
noun Lack of application, attention, or diligence; negligence; non-use
Language periods are conventional ranges, not dates for this word.
Etymograph / inapplication