Where does “antipernicious” come from?

antipernicious (English) comes from English pernicious, from Old French pernicios, from French pernicieux, from Latin perniciōsus, from Latin perniciēs, from Latin pernecō, from Latin necō, from Latin nex — to perish, disappear.

antipernicious (English): That counters a pernicious disease

Definitions

  1. That counters a pernicious disease

Ancestry of “antipernicious”, step by step

antipernicious traces back through two separate lines of ancestry.

via English pernicious

StepLanguageWordMeaning
1EnglishperniciousCausing much harm in a subtle way; Causing death...
2Old Frenchpernicios
3FrenchpernicieuxInsidious. Having a slow and discreet, but...
4Latinperniciōsusdestructive, ruinous, baleful, pernicious
5Latinperniciēsruin, destruction
6Latinpernecōto kill, slay outright
7Latinnecōto kill, murder (especially without physical wounding such as by poison or hunger)
8Latinnexmurder, slaughter, killing; violent death
9Proto-Italicneksdeath, slaughter
10Proto-Indo-Europeanneḱsdeath
11Proto-Indo-Europeanneḱ-to perish, disappear

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 neḱ-