Where does “geestesziek” come from?

geestesziek (Dutch) comes from Dutch geest, from Middle Dutch gêest, from Old Dutch gēst, from Old Dutch gist, from Proto-West Germanic jestu, from Proto-Germanic jestuz, from Proto-Indo-European yes- — to foam; to boil.

geestesziek (Dutch): mentally ill

Definitions

  1. mentally ill

Ancestry of “geestesziek”, step by step

geestesziek traces back through 3 separate lines of ancestry.

via Dutch geest

StepLanguageWordMeaning
1Dutchgeestghost, spirit; mind, mental conscience; life...
2Middle Dutchgêest
3Old Dutchgēst
4Old Dutchgist
5Proto-West Germanicjestufermentation; byproducts or agents of...
6Proto-Germanicjestuzfermentation; byproducts or agents of...
7Proto-Indo-Europeanyes-to foam; to boil

via Dutch ziek

StepLanguageWordMeaning
1Dutchzieksick, ill; excellent; very
2Middle Dutchsigento sink, to drop; to drip out, to drain; to slope...
3Old Dutchsīganto sink, to drop
4Proto-West Germanicsīganto sink, to drop
5Proto-Germanicsīganąto sink, to drop
6Proto-Indo-Europeanseykʷ-to moisten; to filter
7Proto-Indo-Europeansey-to be wet; dribble; run; to stretch one's arm;...

via German geisteskrank

StepLanguageWordMeaning
1Germangeisteskrankinsane, mentally ill
2Germankrankill, sick; sick, morally or mentally degenerate;...
3Middle High Germankrank
4Old High Germankrank
5Proto-West Germanickrankweak, sick
6Proto-Germanickrankazbent; crooked; weak
7Proto-Indo-Europeanger-to turn, bend, twist, wind; to tie, bind...
Every word from Proto-Indo-European yes-Every word from Proto-Germanic jestuzEvery word from Proto-West Germanic jestu