Where does “vertroebelen” come from?

vertroebelen (Dutch) comes from Dutch troebel, from Middle French trouble, from Old French trouble, from Vulgar Latin turbulus, from Latin turbidus, from Latin turba, from Ancient Greek τύρβη, from Proto-Indo-European twerH- — to enclose, fence in; to grab, seize; to stir.

vertroebelen (Dutch): to become/make muddy, blurry, unclear

Definitions

  1. to become/make muddy, blurry, unclear

Ancestry of “vertroebelen”, step by step

vertroebelen traces back through two separate lines of ancestry.

via Dutch troebel

StepLanguageWordMeaning
1Dutchtroebelmurky, turbid
2Middle Frenchtrouble
3Old Frenchtrouble
4Vulgar Latinturbulusmuddy, turbid, murky, clouded, opaque; troubled,...
5Latinturbiduswild, stormy; muddy, turbid; murky, foggy,...
6Latinturbastir, disturbance, tumult, uproar, trouble; mob,...
7Ancient Greekτύρβηdisorder, confusion, tumult; poetic rout, revelry
8Proto-Indo-EuropeantwerH-to enclose, fence in; to grab, seize; to stir

via Dutch ver- -en

StepLanguageWordMeaning
1Dutchver- -enForms factitive or ergative verbs from adjectives, meaning "to make more (adjective)" or "to become (adjective)"
Every word from Proto-Indo-European twerH-Every word from Ancient Greek τύρβηEvery word from Latin turba