Kreissektor (German) comes from German Sektor, from Latin sector, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.
Kreissektor (German): circular sector
Definitions
circular sector
Ancestry of “Kreissektor”, step by step
Kreissektor traces back through two separate lines of ancestry.