Where does “lightbar” come from?

lightbar (English) comes from English Bar, from German bär, from Middle High German bër, from Old High German beri, from Proto-West Germanic baʀi, from Proto-Germanic bazją, from Proto-Indo-European bʰeh₂-, from Proto-Indo-European bʰeh₂-s-ri-.

lightbar (English): A bar mounted on the roof of a vehicle, such as a...

Definitions

  1. A bar mounted on the roof of a vehicle, such as a...

Ancestry of “lightbar”, step by step

lightbar traces back through two separate lines of ancestry.

via English Bar

StepLanguageWordMeaning
1EnglishBarA solid, more or less rigid object of metal or wood with a uniform cross-section smaller than its length
2Germanbär
3Middle High Germanbërbear
4Old High GermanberiA berry
5Proto-West Germanicbaʀiberry
6Proto-Germanicbazjąberry
7Proto-Indo-Europeanbʰeh₂-to shine, glow light; to speak, say
8Proto-Indo-Europeanbʰeh₂-s-ri-

via English Light

StepLanguageWordMeaning
1EnglishLightA place name
2Middle EnglishlightThe radiation which allows for vision by...
3Old Englishlēohtluminous, bright, light, clear, resplendent,...
4Proto-West Germanicleuhtlight, bright; light
5Proto-Germanicleuhtąlight
6Proto-Indo-Europeanlewktom
7Proto-Indo-Europeanlewk-bright; to shine; to see
Every word from Proto-Indo-European bʰeh₂-s-ri-
lightbar — Etymology, Origin & Word History | Etymology Explorer