Where does “antifactual” come from?

antifactual (English) comes from English factual, from English fact, from English factness, from English -ness, from Middle English -nesse, from Old English -nes, from Proto-West Germanic -nassī, from Proto-Germanic -inassuz — Creates collective nouns, which refer to groups...

antifactual (English): Opposing or going against the facts; false; delusional

Definitions

  1. Opposing or going against the facts; false; delusional

Ancestry of “antifactual”, step by step

antifactual traces back through two separate lines of ancestry.

via English factual

StepLanguageWordMeaning
1EnglishfactualPertaining to or consisting of objective claims;...
2EnglishfactSomething actual as opposed to invented;...
3EnglishfactnessThe quality of being based on facts; The quality...
4English-nessAppended to adjectives to form nouns meaning "the...
5Middle English-nesseAffixed to adjectives to form abstract nouns...
6Old English-nesUsed to form abstract nouns, usually from...
7Proto-West Germanic-nassīUsed to form abstract nouns, usually from...
8Proto-Germanic-inassuz-ness
9Proto-West Germanic-ness, -th
10Proto-Germanic-į̄-th
11Proto-Indo-European-íh₂
12Proto-Indo-European-h₂Creates collective nouns, which refer to groups...

via English anti

StepLanguageWordMeaning
1EnglishantiOpposed to something; That has a torsion angle...
2Englishanti-Against, hostile to; Contrasting with the norm;...
3Ancient Greekἀντι-anti-, against; like, reminiscent of
4Ancient Greekᾰ̓ντῐ́opposite
Every word from Proto-Indo-European -h₂Every word from English -nessEvery word from Old English -nes