Where does “brainsick” come from?

brainsick (English) comes from English sick, from English sic, from English seek, from Middle English seke, from Old English sēċan, from Proto-West Germanic sōkijan, from Proto-Germanic sōkijaną, from Proto-Indo-European séh₂gyeti — to seek out.

brainsick (English): Disordered in the understanding; giddy;...

Definitions

  1. Disordered in the understanding; giddy;...

Ancestry of “brainsick”, step by step

brainsick traces back through two separate lines of ancestry.

via English sick

StepLanguageWordMeaning
1EnglishsickIn poor health; ill; Having an urge to vomit;...
2EnglishsicThus; thus written; To mark with a bracketed sic;...
3EnglishseekTo try to find; to look for; to search for; To...
4Middle EnglishsekeAlternative form of seken
5Old Englishsēċanto seek or inquire about
6Proto-West Germanicsōkijanto seek, to look for
7Proto-Germanicsōkijanąto seek, look for
8Proto-Indo-Europeanséh₂gyetito give a sign
9Proto-Indo-Europeanseh₂g-to seek out

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,...

Words derived from “brainsick

Every word from Proto-Indo-European seh₂g-Every word from Proto-Indo-European séh₂gyetiEvery word from Proto-Germanic sōkijaną