Where does “undarkening” come from?

undarkening (English) comes from English darkening, from English darken, from Middle English derkenen, from Old English deorcnian, from Proto-West Germanic dirkinōn, from Proto-West Germanic derk, from Proto-Germanic derkaz, from Proto-Indo-European dʰerg-o-s — to support; to hold.

undarkening (English): Not growing darker

Definitions

  1. Not growing darker

Ancestry of “undarkening”, step by step

undarkening traces back through two separate lines of ancestry.

via English darkening

StepLanguageWordMeaning
1Englishdarkeningpresent participle of darken; The act of...
2EnglishdarkenTo make dark or darker by reducing light; To...
3Middle Englishderkenen
4Old Englishdeorcnian
5Proto-West Germanicdirkinōnto darken, to become dark; to darken, to make...
6Proto-West Germanicderkdirty; dark
7Proto-Germanicderkaz
8Proto-Indo-Europeandʰerg-o-s
9Proto-Indo-Europeandʰerg-to dim, darken; dim, dull; dark, dusky
10Proto-Indo-Europeandʰer-to support; to hold

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European dʰer-Every word from Proto-Indo-European dʰerg-Every word from Proto-Indo-European dʰerg-o-s