English
impugnation
From impugn + -ation.
A compound of impugn + -ation
Proto-Indo-European *pewǵ- ‘prick, punch’
…
Latin pugnus ‘fist’
Latin pugnō ‘fight’
Latin impugnō ‘to attack, fight against’
Middle French impugner ‘to attack’
English impugn
Today it means
noun The act of impugning
Language periods are conventional ranges, not dates for this word.
Etymograph / impugnation