Dutch word invullen comes from Dutch in, Dutch vullen ((transitive) to fill.)

Detailed word origin of invullen

Dictionary entry	Language	Definition
in	Dutch (nld)	In style (postpositional) into. In, inside In; expressing containment.
vullen	Dutch (nld)	(transitive) to fill.
invullen	Dutch (nld)	To fill in.

Words with the same origin as invullen