The story
- German · calque ofQuerdenken
- English todaydiagonalism
From diagonal + -ism, based on German Querdenken (literally “diagonal thinking”). Coined by Canadian historian and professor Quinn Slobodian and political scientist William Callison in the context of the German Querdenker (“anti-vaxx”) movement during the COVID-19 pandemic, see quotations.
Etymology from Wiktionary, CC BY-SA 4.0.