Greek word
kephalís
κεφαλίς
What it means
properly, a knob, i.e. a roll
properly, a knob, i.e. (by implication) a roll (by extension from the end of a stick on which the manuscript was rolled)
Where it comes from
from kephalḗ (κεφαλή)
How the King James translates it
Every place it appears 1
Hebrews10:7