English
malinformation
From mal- + information.
Formed from mal- + information
Latin fōrma
…
Latin īnfōrmō ‘to form, give shape to’
Latin īnfōrmātiō ‘formation, conception; education’
Anglo-Norman informacioun
Middle English enformacioun
English information
Today it means
noun Information which is based in fact, but removed from its original context, in order to harm, mislead, or manipulate; for example, deliberate change of context, date or time of genuine content.
Language periods are conventional ranges, not dates for this word.
Etymograph / malinformation