Where does “louter” come from?

louter (Middle Dutch) comes from Old Dutch lūtir, from Proto-Germanic hlūtraz, from Proto-Indo-European ḱlewH- — to clean, rinse, slide.

Ancestry of “louter”, step by step

StepLanguageWordMeaning
1Old Dutchlūtir—
2Proto-Germanichlūtrazclean, clear, pure
3Proto-Indo-EuropeanḱlewH-to clean, rinse, slide

Words derived from “louter”

Every word from Proto-Indo-European ḱlewH- →Every word from Proto-Germanic hlūtraz →Every word from Old Dutch lūtir →