Diederik

== English == === Etymology === Of Dutch origin, from Middle Dutch Diederic, from Old Dutch *Thiodarīk, from Frankish *Theodarīk, ultimately from Proto-Germanic *Þeudarīks. Compare with Derek, Theodoric. === Proper noun === Diederik A male given name from Dutch. == Dutch == === Etymology === From Middle Dutch Diederic, from Old Dutch *Thiodarīk, from Proto-West Germanic *Þeudurīk, ultimately from Proto-Germanic *Þeudōrīks. === Proper noun === Diederik m a male given name