As a word used to explain an abnormal reaction, it was first used by an Austrian Pediatrician about 1906. Made out of the Greek word Allos, meaning something different or strange
Austria is the country where the word allergy comes from.
Allergy - alergia
The Latin word for 'allergy' is 'allergia' ('allergiae', if plural).
The little boy had a severe peanut allergy.
It is 'arerugi.'
Allergy
you just did
alert allerg/o
You could have an allergy to it.
The word 'allergic' is the adjective form of the noun allergy.
allergen
I am allergic to - soy alérgico a _____