Where does “absperren” come from?

absperren (German) comes from German ab-, from German AB, from Middle High German ab, from Old High German ab, from Proto-Germanic *ab, from Proto-Indo-European apó.

absperren (German): to block off, to close, to barricade, to prevent access to (a building or area)

Definitions

to block off, to close, to barricade, to prevent access to (a building or area)

Ancestry of “absperren”, step by step

Step	Language	Word	Meaning
1	German	ab-	Separable verb prefix that indicates removal or...
2	German	AB	Abbreviation of Anrufbeantworter; Abbreviation of...
3	Middle High German	ab	—
4	Old High German	ab	of
5	Proto-Germanic	*ab	—
6	Proto-Indo-European	apó	—

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