Where does “Dunkelkammer” come from?

Dunkelkammer (German) comes from German kammer, from Middle High German kamer, from Old High German chamara, from Latin camera, from Ancient Greek καμάρα, from Proto-Iranian kamarā-, from Proto-Iranian kamárati, from Proto-Indo-Iranian *kmárati — to bend, to curve.

Dunkelkammer (German): darkroom

Definitions

  1. darkroom

Ancestry of “Dunkelkammer”, step by step

Dunkelkammer traces back through two separate lines of ancestry.

via German kammer

StepLanguageWordMeaning
1Germankammerchamber; room
2Middle High Germankamer
3Old High Germanchamara
4LatincameraA chamber in its various senses, "including";...
5Ancient GreekκαμάραAnything with an arched cover such as a covered...
6Proto-Iraniankamarā-something curved
7Proto-Iraniankamárati
8Proto-Indo-Iranian*kmárati
9Proto-Indo-Europeankh₂em-to bend, to curve

via German Dünkel

StepLanguageWordMeaning
1GermanDünkelconceit, smugness, arrogance
2Middle High Germantunkel
3Old High Germantunkalīdark, darkness
4Old High German-ness
5Proto-West Germanic-ness, -th
6Proto-Germanic-į̄-th
7Proto-Indo-European-íh₂
8Proto-Indo-European-h₂Creates collective nouns, which refer to groups...
Every word from Proto-Indo-European kh₂em-Every word from Proto-Indo-Iranian *kmáratiEvery word from Proto-Iranian kamárati