Where does “hoofdpijndossier” come from?

hoofdpijndossier (Dutch) comes from Dutch hoofdpijn, from Dutch hoofd, from Middle Dutch hôvet, from Old Dutch hōvit, from Proto-West Germanic *haubud, from Proto-Germanic haubudą, from Proto-Indo-European káput- — head.

hoofdpijndossier (Dutch): A particularly difficult issue or case

Definitions

A particularly difficult issue or case

Ancestry of “hoofdpijndossier”, step by step

hoofdpijndossier traces back through two separate lines of ancestry.

via Dutch hoofdpijn

Step	Language	Word	Meaning
1	Dutch	hoofdpijn	headache
2	Dutch	hoofd	head
3	Middle Dutch	hôvet	head
4	Old Dutch	hōvit	head
5	Proto-West Germanic	*haubud	—
6	Proto-Germanic	haubudą	head
7	Proto-Indo-European	káput-	head

via Dutch dossier

Step	Language	Word	Meaning
1	Dutch	dossier	dossier; file, physical collection of...
2	French	dossier	back of furniture, to rest the sitter's back on;...
3	Latin	dorsum	back, part of the body between the neck and...
4	Proto-Italic	dorsom	—

Every word from Proto-Indo-European káput- →Every word from Proto-Germanic haubudą →Every word from Proto-West Germanic *haubud →