Where does “Selbststudium” come from?

Selbststudium (German) comes from German selbst, from Old High German selb, from Proto-Germanic selbaz, from Proto-Indo-European selbʰ-, from Proto-Indo-European s(w)e-, from Proto-Indo-European swé — self.

Selbststudium (German): self-study

Definitions

self-study

Ancestry of “Selbststudium”, step by step

Selbststudium traces back through two separate lines of ancestry.

via German selbst

Step	Language	Word	Meaning
1	German	selbst	personally, by oneself; even
2	Old High German	selb	—
3	Proto-Germanic	selbaz	self
4	Proto-Indo-European	selbʰ-	one's own
5	Proto-Indo-European	s(w)e-	separate, apart; separate; apart; oneself; one's...
6	Proto-Indo-European	swé	self

via German Studium

Step	Language	Word	Meaning
1	German	Studium	study; studies
2	Latin	studium	study; eagerness, zeal; desire, fancy
3	Proto-Indo-European	(s)tewd-	to push, to hit
4	Proto-Indo-European	stew-	to praise, laud

Every word from Proto-Indo-European swé →Every word from Proto-Indo-European s(w)e- →Every word from Proto-Indo-European selbʰ- →