Where does “zerobrain” come from?

zerobrain (English) comes from English zero, from Middle French zero, from Italian Zero, from New Latin zerum, from Medieval Latin zephirum, from Arabic صِفْر, from Sanskrit शून्य, from Proto-Indo-European ḱówH-.

zerobrain (English): An extraordinarily stupid person

Definitions

  1. An extraordinarily stupid person

Ancestry of “zerobrain”, step by step

zerobrain traces back through two separate lines of ancestry.

via English zero

StepLanguageWordMeaning
1EnglishzeroThe cardinal number occurring before one and that...
2Middle Frenchzero
3ItalianZerozero
4New Latinzerum
5Medieval Latinzephirumzero
6Arabicصِفْرzero, nothing, empty, void; nothing, cipher;...
7Sanskritशून्यzero; cipher, cypher; blank, deserted
8Proto-Indo-EuropeanḱówH-

via English brain

StepLanguageWordMeaning
1EnglishbrainThe control center of the central nervous system...
2Middle EnglishbraynThe brain or cerebrum; the organ of thought;...
3Old Englishbræġnbrain
4Proto-West Germanic*bragnbrain
5Proto-Germanicbragnąbrain
6Proto-Indo-Europeanmregʰnomskull, brain
7Proto-Indo-Europeanmen-to think, mind; spiritual activity; to stay,...
Every word from Proto-Indo-European ḱówH-Every word from Sanskrit शून्यEvery word from Arabic صِفْر