Where does “dagöppning” come from?

dagöppning (Swedish) comes from Swedish Dag, from Old Swedish dagher, from Old Norse dagr, from Proto-Germanic dagaz, from Proto-Indo-European dʰegʷʰ- — to burn; warm, hot.

dagöppning (Swedish): a surface opening (to a mine)

Definitions

  1. a surface opening (to a mine)

Ancestry of “dagöppning”, step by step

dagöppning traces back through two separate lines of ancestry.

via Swedish Dag

StepLanguageWordMeaning
1SwedishDaga day
2Old Swedishdagherday
3Old Norsedagra day; days, times
4Proto-Germanicdagazday; name of the D-rune
5Proto-Indo-Europeandʰegʷʰ-to burn; warm, hot

via Swedish öppning

StepLanguageWordMeaning
1Swedishöppningopening (act of opening or an opening in something, general sense similar to English)
Every word from Proto-Indo-European dʰegʷʰ-Every word from Proto-Germanic dagazEvery word from Old Norse dagr