Where does “nicchessa” come from?

nicchessa (Old High German) comes from Proto-Germanic nikwus, from Proto-Indo-European nigʷ-ō-s, from Proto-Indo-European neygʷ- — to wash.

Ancestry of “nicchessa”, step by step

StepLanguageWordMeaning
1Proto-Germanicnikwuswater-spirit; nix
2Proto-Indo-Europeannigʷ-ō-s—
3Proto-Indo-Europeanneygʷ-to wash

Words derived from “nicchessa”

Every word from Proto-Indo-European neygʷ- →Every word from Proto-Indo-European nigʷ-ō-s →Every word from Proto-Germanic nikwus →