Where does “klachtbrief” come from?

klachtbrief (Dutch) comes from Dutch brief, from Middle Dutch brief, from Latin brevis, from Proto-Italic *breɣʷis, from Proto-Indo-European mréǵʰus, from Proto-Indo-European mreǵʰ- — short.

Ancestry of “klachtbrief”, step by step

klachtbrief traces back through two separate lines of ancestry.

via Dutch brief

StepLanguageWordMeaning
1Dutchbriefletter
2Middle Dutchbrief—
3Latinbrevisshort, small, little, narrow; brief, short;...
4Proto-Italic*breɣʷis—
5Proto-Indo-Europeanmréǵʰusshort; brief
6Proto-Indo-Europeanmreǵʰ-short

via Dutch klacht

StepLanguageWordMeaning
1Dutchklachtcomplaint
2Middle Dutchclachte—
3Dutchclagen—
Every word from Proto-Indo-European mreǵʰ- →Every word from Proto-Indo-European mréǵʰus →Every word from Proto-Italic *breɣʷis →