An Etymological Dictionary of the German Language/Pflock

by Friedrich Kluge

Pflock, m., from the equiv. late MidHG. pfloc (gen. -ckes), m., and pflocke, m., ‘plug, peg’; corresponding to Du. plug, vb. and subst., equiv. to the E. vb. and subst. plug. The word seems to be unknown to UpG.