Dutch word waterval comes from Dutch water, Dutch val

Detailed word origin of waterval

Dictionary entry	Language	Definition
water	Dutch (nld)	Bodily fluid (especially amniotic fluid). Body of water (such as a lake, ditch or stream). Water (H2O).
val	Dutch (nld)	(obsolete) catfish (in compounds) case. (in compounds) nightfall. Downfall, demise. Fall (act of falling). Trap, snare.
waterval	Dutch (nld)	Waterfall.