Where does “antianaphylaxis” come from?

antianaphylaxis (English) comes from English anaphylaxis, from French anaphylaxie, from Ancient Greek φύλαξις, from Ancient Greek -σῐς, from Ancient Greek -τις, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

antianaphylaxis (English): desensitization to antigens

Definitions

  1. desensitization to antigens

Ancestry of “antianaphylaxis”, step by step

antianaphylaxis traces back through two separate lines of ancestry.

via English anaphylaxis

StepLanguageWordMeaning
1EnglishanaphylaxisExtreme sensitivity to a substance such as a...
2Frenchanaphylaxieanaphylaxis
3Ancient Greekφύλαξιςan act of watching, guarding; a security
4Ancient Greek-σῐς"suffix forming nouns"
5Ancient Greek-τιςretained after dentals
6Proto-Indo-European-tisDerives abstract/action nouns from verb roots

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 -tisEvery word from Ancient Greek -σῐςEvery word from Ancient Greek φύλαξις