Where does “opdoemen” come from?

opdoemen (Dutch) comes from Dutch op, from Middle Dutch op, from Old Dutch up, from Proto-Germanic upp, from Proto-Germanic ub, from Proto-Indo-European upó, from Proto-Indo-European h₃ewp-.

opdoemen (Dutch): to appear out of nowhere

Definitions

to appear out of nowhere

Ancestry of “opdoemen”, step by step

opdoemen traces back through two separate lines of ancestry.

via Dutch op

Step	Language	Word	Meaning
1	Dutch	op	up; onto, up onto; Used in separative verbs...
2	Middle Dutch	op	on, on top of; at, in the direction of; at, by
3	Old Dutch	up	up, upwards
4	Proto-Germanic	upp	up, upwards
5	Proto-Germanic	ub	under
6	Proto-Indo-European	upó	under, below
7	Proto-Indo-European	h₃ewp-	—

via Dutch doemen

Step	Language	Word	Meaning
1	Dutch	doemen	to doom, to condemn
2	Middle Dutch	doemen	—
3	Old Dutch	duomen	to judge, to deem
4	Proto-West Germanic	dōmijan	to judge, to deem
5	Proto-Germanic	dōmijaną	to judge
6	Proto-Indo-European	dʰeh₁-	to do, put, place

Every word from Proto-Indo-European h₃ewp- →Every word from Proto-Indo-European upó →Every word from Proto-Germanic ub →