Richard Watson,
A Biblical and Theological Dictionary
“ In Judea, the mourner was clothed in sackcloth of hair, and by consequence, 294in sable robes; and penitents, by assuming it, seemed to confess that their guilt exposed them to death. Some of the eastern nations, in modern times, bury in linen; but Chardin informs us, that others still retain the use of sackcloth for that purpose. To sit in sackcloth and ashes, was a frequent expression of mourning in the oriental regions; and persons overwhelmed with grief, and unable to sustain the weight of their calamities, often threw themselves upon the earth, and rolled in the dust ”
