fəˈrin(t)sə̇k adjective
Etymology: Medieval Latin forinsecus, from Latin, from outside, from foris outside + -insecus (as in extrinsecus on the outside) — more at forum , extrinsic
of obligations under feudal law : extraordinary in nature or performed away from the holding of a mesne lord for his superior
forinsec service included foreign military service, the supplying of labor, and certain payments