English
factify
From fact + -ify.
A compound of fact + -ify
Proto-Indo-European *dʰeh₁- ‘to put’
Latin faciō ‘do’
Latin factus ‘done or made’
Latin factum ‘an act’
Old French fact
English fact
Today it means
verb To establish truth or validity by presentation of factual evidence.
Language periods are conventional ranges, not dates for this word.
Etymograph / factify