diathesis
noun
di·ath·e·sis dī-ˈa-thə-səs 
plural diatheses dī-ˈa-thə-ˌsēz
: a constitutional predisposition toward a particular state or condition and especially one that is abnormal or diseased
diathetic
ˌdī-ə-ˈthe-tik
adjective 
Example Sentences
Recent Examples on the Web So psychologists have come up with a hypothesis called diathesis stress model which sort of explains why certain vulnerabilities emerge. 
Fox News, 26 July 2018
Fox News, 26 July 2018 Word History
Etymology
New Latin, from Greek, literally, arrangement, from diatithenai to arrange, from dia- + tithenai to set — more at do
First Known Use
1651, in the meaning defined above
Medical Definition
diathesis
noun
di·ath·e·sis dī-ˈath-ə-səs
plural diatheses -ˌsēz
: a constitutional predisposition toward a particular state or condition and especially one that is abnormal or diseased