Where does “klachtenbrief” come from?

klachtenbrief (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.

klachtenbrief (Dutch): complaint letter

Definitions

complaint letter

Ancestry of “klachtenbrief”, step by step

klachtenbrief traces back through two separate lines of ancestry.

via Dutch brief

Step	Language	Word	Meaning
1	Dutch	brief	letter
2	Middle Dutch	brief	—
3	Latin	brevis	short, small, little, narrow; brief, short;...
4	Proto-Italic	*breɣʷis	—
5	Proto-Indo-European	mréǵʰus	short; brief
6	Proto-Indo-European	mreǵʰ-	short

via Dutch klacht

Step	Language	Word	Meaning
1	Dutch	klacht	complaint
2	Middle Dutch	clachte	—
3	Dutch	clagen	—

Every word from Proto-Indo-European mreǵʰ- →Every word from Proto-Indo-European mréǵʰus →Every word from Proto-Italic *breɣʷis →