sackcloth
Concise Oxford English Dictionary © 2008 Oxford University Press:
sackcloth/ˈsakklɒθ/
▶noun a coarse fabric woven from flax or hemp.
– phrases
sackcloth and ashes used with allusion to the wearing of sackcloth and having ashes sprinkled on the head as a sign of penitence or mourning.
sackcloth and ashes used with allusion to the wearing of sackcloth and having ashes sprinkled on the head as a sign of penitence or mourning.
'sackcloth' also found in these Oxford entries:
