Where does “hefeiland” come from?
hefeiland (Dutch) comes from Dutch eiland, from Middle Dutch eilant, from Old Dutch eilant, from Old Frisian eiland, from Proto-West Germanic *auwjuland, from Proto-Germanic awjōlandą, from Proto-Germanic awjō, from Proto-Germanic agwjō — water.
hefeiland (Dutch): jackup rig
Ancestry of “hefeiland”, step by step