Middle English word purposen comes from Latin pro, Latin pauso (I halt, cease, pause.. I rest in the grave.)

Detailed word origin of purposen

Dictionary entry	Language	Definition
pro	Latin (lat)	About. According to. As befitting. As, like. Before. For. In front, instead of. On behalf of.
pauso	Latin (lat)	I halt, cease, pause.. I rest in the grave.
purposer	Old French (fro)	To propose; to make a proposition.
purposen	Middle English (enm)

Words with the same origin as purposen