Where does “dag” come from?

dag (Old High German) comes from Old High German tag, from Proto-West Germanic dag, from Proto-Germanic dagaz, from Proto-Indo-European dʰegʷʰ- — to burn; warm, hot.

Ancestry of “dag”, step by step

StepLanguageWordMeaning
1Old High Germantagday
2Proto-West Germanicdagday
3Proto-Germanicdagazday; name of the D-rune
4Proto-Indo-Europeandʰegʷʰ-to burn; warm, hot

Words derived from “dag”

Every word from Proto-Indo-European dʰegʷʰ- →Every word from Proto-Germanic dagaz →Every word from Proto-West Germanic dag →