Where does “blokere” come from?

blokere (Danish) comes from French bloquer, from Old French bloquer, from Middle Dutch blok, from Old Dutch blok, from Proto-West Germanic blokk, from Proto-Germanic blukką, from Proto-Indo-European bhulg'-, from Proto-Indo-European bhelg'- — thick plank, beam, pile, prop.

blokere (Danish): to block (to fill; prevent passing; prevent an action; impeding action)