English pernicious

← Old French pernicios (derived)

← Proto-Indo-European *per- (root)

← Latin perniciōsus (derived)

← Latin perniciēs (mention)

← Latin per (mention)

← Latin nex (mention)

→ English perniciously (suffix)

→ English perniciousness (suffix)

→ English pernicion (mention)

→ English pernicity (suffix)

→ English pernicity (mention)

→ English antipernicious (prefix)