Where does “zwartwerken” come from?

zwartwerken (Dutch) comes from Dutch zwart, from Middle Dutch swart, from Old Dutch swart, from Proto-West Germanic swart, from Proto-Germanic swartaz, from Proto-Indo-European swordo- — dirty, dark, black.

zwartwerken (Dutch): to moonlight

Definitions

  1. to moonlight

Ancestry of “zwartwerken”, step by step

zwartwerken traces back through two separate lines of ancestry.

via Dutch zwart

StepLanguageWordMeaning
1Dutchzwartblack; having dark skin; illegal, without payment...
2Middle Dutchswartblack
3Old Dutchswartblack
4Proto-West Germanicswartblack
5Proto-Germanicswartazblack
6Proto-Indo-Europeanswordo-dirty, dark, black

via Dutch werken

StepLanguageWordMeaning
1Dutchwerkento work, labour; to work, to be effective; to...
2Middle Dutchwerkento act; to work; to practice
3Old Dutchwirkento work; to build, to make
4Proto-West Germanicwirkijanto work; to make
5Proto-Germanicwirkijanąto make, produce; to effect, make happen
6Proto-Indo-Europeanwerǵ-to make

Words derived from “zwartwerken

Every word from Proto-Indo-European swordo-Every word from Proto-Germanic swartazEvery word from Proto-West Germanic swart