Strong’s Hebrew
H2785 — chartsan
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
חַרְצַן
chartsan — pronounced kchar-tsan
from 2782; a sour grape (as sharp in taste):--kernel. see H02782
1 occurrence in the KJV.
Numbers 6:4
All the days of his separation shall he eat nothing that is made of the vine tree, from the kernels even to the husk.