English
executionism
From execution + -ism.
Formed from execution + -ism
Latin exsequor ‘to follow out’
Latin exsecutiō ‘performance, execution’
Old French execution
English execution
Today it means
noun A 16th-century political movement in the Kingdom of Poland and, later, the Polish-Lithuanian Commonwealth, seeking the revendication of public and state lands which were illegally held by various magnates.
Language periods are conventional ranges, not dates for this word.
Etymograph / executionism