Where does “getijdeneiland” come from?
getijdeneiland (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.
getijdeneiland (Dutch): tidal island
Ancestry of “getijdeneiland”, step by step