Where does “breinloos” come from?

breinloos (Dutch) comes from Dutch loos, from Middle Dutch loos, from Old Dutch lōs, from Proto-West Germanic *luhs, from Proto-Germanic luhsaz, from Proto-Indo-European lewḱ-, from Proto-Indo-European lewk- — bright; to shine; to see.

breinloos (Dutch): brainless, emptyheaded; mindless, stupid;...

Definitions

  1. brainless, emptyheaded; mindless, stupid;...

Ancestry of “breinloos”, step by step

breinloos traces back through two separate lines of ancestry.

via Dutch loos

StepLanguageWordMeaning
1Dutchloosblank, empty; idle; amiss, wrong, problematic
2Middle Dutchloos—
3Old Dutchlōsdeceitful, malicious, false
4Proto-West Germanic*luhslynx
5Proto-Germanicluhsazlynx
6Proto-Indo-Europeanlewḱ-lynx
7Proto-Indo-Europeanlewk-bright; to shine; to see

via Dutch brein

StepLanguageWordMeaning
1Dutchbreinbrain; mastermind
2Middle Dutchbrein—
3Old Dutchbragan—
Every word from Proto-Indo-European lewk- →Every word from Proto-Indo-European lewḱ- →Every word from Proto-Germanic luhsaz →