Where does “betriebsblind” come from?

betriebsblind (German) comes from German blind, from Old High German blint, from Proto-West Germanic blind, from Proto-Germanic blindaz, from French blindage, from French blinder, from French blinde, from German blende — to blend, to mix up; to make cloudy, opaque;...

betriebsblind (German): operationally blind

Definitions

  1. operationally blind

Ancestry of “betriebsblind”, step by step

betriebsblind traces back through two separate lines of ancestry.

via German blind

StepLanguageWordMeaning
1Germanblindblind; cloudy
2Old High Germanblintblind
3Proto-West Germanicblindblind
4Proto-Germanicblindazblind
5Frenchblindagearmour, armour plating
6Frenchblinderto armor; to reinforce
7Frenchblindepieces of wood used as cover or protection;...
8Germanblendeinflection of blenden: ## first-person singular...
9Germanblendento dazzle; to blind; to show off; to pose; to...
10Middle High Germanblendento blend, mix
11Old High Germanblenten
12Proto-Germanicblandijanąto blind
13Proto-Indo-Europeanbʰlendʰ-to blend, to mix up; to make cloudy, opaque;...

via German Betrieb

StepLanguageWordMeaning
1GermanBetrieboperating or running a technical device,...
2Germanbetreibento run, to operate
3Germantreibento drive (e.g. livestock); to propel; to force
4Middle High Germantrīben
5Old High Germandrīvan
6Proto-West Germanicdrībanto drive, to push, to compel to go
7Proto-Germanicdrībanąto drive, push, compel to go
8Proto-Indo-Europeandʰreybʰ-to drive, push
9Proto-Indo-Europeandʰer-to support; to hold
Every word from Proto-Indo-European bʰlendʰ-