Where does “diop” come from?

diop (Old Dutch) comes from Proto-Germanic deupaz, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

Ancestry of “diop”, step by step

StepLanguageWordMeaning
1Proto-Germanicdeupazdeep
2Proto-Indo-Europeandʰewbʰ-deep
3Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Indo-European dʰewbʰ- →Every word from Proto-Germanic deupaz →