allergy
Concise Oxford English Dictionary © 2008 Oxford University Press:
allergy /ˈalədʒi/
▶noun (pl. allergies) a damaging immune response by the body to a substance to which it has become hypersensitive.
– derivatives
allergist noun.
allergist noun.
– origin early 20th cent.: from Ger. Allergie, from Gk allos ‘other’, on the pattern of Energie ‘energy’.
'allergy' also found in these Oxford entries:

