κεφαλίς G2777
kephalís · kef-al-is' · Noun Feminine
from κεφαλή; properly, a knob, i.e. (by implication) a roll (by extension from the end of a stick on which the manuscript was rolled):--volume.
1 Occurrence in the King James Bible
Hebrews 10:7Then said I, Lo, I come (in the volume of the book it is written of me,) to do thy will, O God.