Where does “dyster” come from?

dyster (Norwegian Nynorsk) comes from Middle Low German dūster, from Old Saxon thiustri, from Proto-West Germanic þiustrī, from Proto-West Germanic þimstr, from Proto-Germanic þimstraz, from Proto-Indo-European témH-s-ro-s, from Proto-Indo-European temH- — dark.

dyster (Norwegian Nynorsk): dark, obscure, gloomy

Definitions

  1. dark, obscure, gloomy

Ancestry of “dyster”, step by step

StepLanguageWordMeaning
1Middle Low Germandūster—
2Old Saxonthiustridark, obscure
3Proto-West Germanicþiustrīdark, gloomy
4Proto-West Germanicþimstrdark, dusky
5Proto-Germanicþimstraz—
6Proto-Indo-EuropeantémH-s-ro-s—
7Proto-Indo-EuropeantemH-dark
Every word from Proto-Indo-European temH- →Every word from Proto-Indo-European témH-s-ro-s →Every word from Proto-Germanic þimstraz →