kephalis denotes the written scroll context in which something is recorded about the speaker.

The attested use places the term in a dative phrase concerning what is written in a book-scroll about the speaker.

1. Written book-scroll context · dominant

   In Hebrews 10:7, the feminine singular dative form occurs in the phrase concerning what is written about the speaker. The APB renders the clause, “in the scroll of the book it is written about me,” confirming a written document context.

   Hebrews 10:7

In the Anselm Project Bible: In Hebrews 10:7 the APB presents the phrase as “in the scroll of the book.” The precise contribution of the term within that phrase cannot be fully isolated.