“ ”

If you really wished to pronounce this term, call it “Kara.”
Its meaning varied depending on each individual’s understanding. To put it in simple terms, it was the Spiral of Origin.
However, since the Spiral of Origin was called the Spiral of Origin, it was no longer “ ”.
To properly express this term was a source of headache during the production of the drama CDs.

Garden of sinners Pamphlet: Kara no Kyoukai Settings Glossary