anergy
Concise Oxford English Dictionary © 2008 Oxford University Press:
anergy /ˈanədʒi/
▶noun Medicine absence of the normal immune response to a particular antigen or allergen.
– origin early 20th cent.: from Ger. Anergie, from Gk an- ‘not’, on the pattern of Allergie ‘allergy’.
'anergy' also found in these Oxford entries:

