Where does “antidiarrhea” come from?

antidiarrhea (English) comes from English diarrhea, from Middle French diarrie, from Latin diarrhœa, from Ancient Greek διάρροια, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

antidiarrhea (English): Serving to prevent or counter diarrhea

Definitions

  1. Serving to prevent or counter diarrhea

Ancestry of “antidiarrhea”, step by step

antidiarrhea traces back through two separate lines of ancestry.

via English diarrhea

StepLanguageWordMeaning
1EnglishdiarrheaA gastrointestinal disorder characterized by...
2Middle Frenchdiarriediarrhea
3Latindiarrhœadiarrhea
4Ancient Greekδιάρροιαflowing through, diarrhoea
5Ancient Greekδιάthroughout
6Proto-Indo-Europeandwístwice, doubly; in two
7Proto-Indo-Europeandwóh₁two

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 dwóh₁Every word from Proto-Indo-European dwísEvery word from Ancient Greek διά