Where does “haakvormig” come from?

haakvormig (Dutch) comes from Dutch haak, from Middle Dutch hāke, from Old Dutch hāko, from Proto-Germanic hakô, from Proto-Indo-European keg- — peg; hook.

haakvormig (Dutch): unciform

Definitions

unciform

Ancestry of “haakvormig”, step by step

Step	Language	Word	Meaning
1	Dutch	haak	hook; bracket
2	Middle Dutch	hāke	hook
3	Old Dutch	hāko	—
4	Proto-Germanic	hakô	hook
5	Proto-Indo-European	keg-	peg; hook

Every word from Proto-Indo-European keg- →Every word from Proto-Germanic hakô →Every word from Old Dutch hāko →