Meaning

noun hypersensitivity reaction to a particular allergen; symptoms can vary greatly in intensity

originEtymology tree Proto-Indo-European *h₂el- Proto-Indo-European *h₂élyos Proto-Hellenic *áľľos Ancient Greek ᾰ̓́λλος (ắllos) Proto-Indo-European *werǵ- Proto-Indo-European *-om Proto-Indo-European *wérǵom Proto-Hellenic *wérgon Ancient Greek ἔργον (érgon) German Allergiebor. English allergy Borrowed from German Allergie. Coined by Austrian pediatrician Clemens von Pirquet in 1906 from Ancient Greek…

Etymology from Wiktionary, CC BY-SA 3.0