Where does “antidarkening” come from?

antidarkening (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.

antidarkening (English): Preventing darkening

Definitions

  1. Preventing darkening

Ancestry of “antidarkening”, step by step

antidarkening 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 anti

StepLanguageWordMeaning
1EnglishantiOpposed to something; That has a torsion angle...
2Englishanti-Against, hostile to; Contrasting with the norm;...
3Ancient Greekἀντι-anti-, against; like, reminiscent of
4Ancient Greekᾰ̓ντῐ́opposite
Every word from Proto-Indo-European dʰer-Every word from Proto-Indo-European dʰerg-Every word from Proto-Indo-European dʰerg-o-s