Where does “onhelder” come from?

onhelder (Dutch) comes from Dutch helder, from Dutch hel, from German hell, from Middle High German hel, from Old High German hel, from Proto-Germanic halliz, from Proto-Germanic hellaną, from Proto-Indo-European ḱelh₁- — to warm up, to be hot; to warm up, be hot.

onhelder (Dutch): unclear lacking conceptual clarity

Definitions

  1. unclear lacking conceptual clarity

Ancestry of “onhelder”, step by step

onhelder traces back through two separate lines of ancestry.

via Dutch helder

StepLanguageWordMeaning
1Dutchhelderclear, bright; clear, lucid, obvious; clear,...
2DutchhelHell, an infernal afterlife; A terrible place or...
3Germanhellclear, bright, light
4Middle High Germanhelresounding, loud, shining, bright; tired, weak
5Old High Germanhelresounding
6Proto-Germanichallizresounding
7Proto-Germanichellanąto resound, make a sound
8Proto-Indo-Europeanḱelh₁-to warm up, to be hot; to warm up, be hot

via Dutch on

StepLanguageWordMeaning
1Dutchonrarely used as shorthand for oneven (odd), the prefix on- means not (corresponds to English un-)
Every word from Proto-Indo-European ḱelh₁-