Where does “*diūpte” come from?

*diūpte (Old Frisian) comes from Proto-Germanic diupiþō, from Proto-Germanic deupaz, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

Ancestry of “*diūpte”, step by step

StepLanguageWordMeaning
1Proto-Germanicdiupiþōdeepness, depth
2Proto-Germanicdeupazdeep
3Proto-Indo-Europeandʰewbʰ-deep
4Proto-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 →