Where does “diatheek” come from?

diatheek (Dutch) comes from Dutch dia, from Dutch diapositief, from French diapositive, from French dia-, from Ancient Greek δῐᾰ-, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

diatheek (Dutch): a slide library, a collection of slides for a slide projector

Definitions

  1. a slide library, a collection of slides for a slide projector

Ancestry of “diatheek”, step by step

diatheek traces back through two separate lines of ancestry.

via Dutch dia

StepLanguageWordMeaning
1Dutchdiaslide
2Dutchdiapositiefslide, diapositive
3Frenchdiapositiveslide
4Frenchdia-dia
5Ancient Greekδῐᾰ-apart; through, across; through; in different...
6Ancient Greekδιάthroughout
7Proto-Indo-Europeandwístwice, doubly; in two
8Proto-Indo-Europeandwóh₁two

via Dutch theek

StepLanguageWordMeaning
1Dutchtheek
Every word from Proto-Indo-European dwóh₁Every word from Ancient Greek δῐᾰ-Every word from Proto-Indo-European dwís