Where does “pneumoallergen” come from?

pneumoallergen (English) comes from English allergen, from English allergy, from German Allergie, from Ancient Greek ἄλλος, from Ancient Greek κρίνω, from Proto-Hellenic kríňňō, from Proto-Indo-European krinyéti, from Proto-Indo-European krey- — to sift, separate, divide.

pneumoallergen (English): An allergen in the lungs or respiratory tract

Definitions

  1. An allergen in the lungs or respiratory tract

Ancestry of “pneumoallergen”, step by step

StepLanguageWordMeaning
1EnglishallergenA substance which causes an allergic reaction
2EnglishallergyA disorder of the immune system causing adverse...
3GermanAllergieallergy
4Ancient Greekἄλλοςother, another, different, else; in combination...
5Ancient GreekκρίνωTo separate, divide, part, distinguish between...
6Proto-Hellenickríňňō—
7Proto-Indo-Europeankrinyéti—
8Proto-Indo-Europeankrey-to sift, separate, divide
Every word from Proto-Indo-European krey- →Every word from Proto-Indo-European krinyéti →Every word from Proto-Hellenic kríňňō →