cryptogenic

[ krip-tuh-jen-ik ]

adjective

1. of obscure or unknown origin, as a disease.

cryptogenic

/ ˌkrɪptəʊˈdʒɛnɪk /

adjective

1. (esp of diseases) of unknown or obscure origin

Word History and Origins

Origin of cryptogenic¹

First recorded in 1905–10; crypto- + -genic