eclampsia
Concise Oxford English Dictionary © 2008 Oxford University Press:
eclampsia /ɪˈklam(p)sɪə/
▶noun Medicine a condition in which one or more convulsions occur in a pregnant woman suffering from high blood pressure, often followed by coma and posing a threat to the health of mother and baby.
– derivatives
eclamptic adjective.
eclamptic adjective.
– origin C19: mod. L., from Fr. éclampsie, from Gk eklampsis ‘sudden development’.
'eclampsia' also found in these Oxford entries:

