Where does “onbehoorlijk” come from?

onbehoorlijk (Dutch) comes from Dutch behoorlijk, from Middle Dutch behoorlijc.

onbehoorlijk (Dutch): unfitting, improper

Definitions

  1. unfitting, improper

Ancestry of “onbehoorlijk”, step by step

onbehoorlijk traces back through two separate lines of ancestry.

via Dutch behoorlijk

StepLanguageWordMeaning
1Dutchbehoorlijkreasonable, fitting, proper; quite
2Middle Dutchbehoorlijc

via Dutch on

StepLanguageWordMeaning
1Dutchonrarely used as shorthand for oneven (odd), the prefix on- means not (corresponds to English un-)
Every word from Middle Dutch behoorlijcEvery word from Dutch behoorlijk