köken: Borrowed from Low German rēling, regeling or from Dutch reeling, regeling, from Middle Low German regel, from Old Saxon *rigil, probably borrowed from Latin regula (“bar, rule”). Cognate of German Reling, English railing, Danish ræling.
köken: Borrowed from German Reling, from Low German Reling, Regeling, from Middle Low German rēgel, from Old Saxon *rigil, probably from Latin rēgula. Doublet of reguła.