Where does “antianafilaxia” come from?

antianafilaxia (Portuguese) comes from Portuguese anafilaxia, 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.

antianafilaxia (Portuguese): antianaphylaxis

Definitions

antianaphylaxis

Ancestry of “antianafilaxia”, step by step

Step	Language	Word	Meaning
1	Portuguese	anafilaxia	anaphylaxis
2	French	anaphylaxie	anaphylaxis
3	Ancient Greek	φύλαξις	an act of watching, guarding; a security
4	Ancient Greek	-σῐς	"suffix forming nouns"
5	Ancient Greek	-τις	retained after dentals
6	Proto-Indo-European	-tis	Derives abstract/action nouns from verb roots

Every word from Proto-Indo-European -tis →Every word from Ancient Greek -σῐς →Every word from Ancient Greek φύλαξις →