Where does “absence” come from?

absence (Old French) comes from Latin absentia, from Latin absēns, from Latin absum, from Latin ab-, from Latin āb, from Proto-Germanic *ab, from Proto-Indo-European apó.

Ancestry of “absence”, step by step

Step	Language	Word	Meaning
1	Latin	absentia	absence
2	Latin	absēns	absent, missing, away, away from, distant, gone, gone away
3	Latin	absum	I am away, I am absent, I am distant
4	Latin	ab-	from, away, away from; off; at a distance
5	Latin	āb	from, away from, out of
6	Proto-Germanic	*ab	—
7	Proto-Indo-European	apó	—

Words derived from “absence”

absence
pseudoabsence
nonabsence
absence
absement
omniabsence

Every word from Proto-Indo-European apó →Every word from Proto-Germanic *ab →Every word from Latin āb →