Strong’s Greek
G4700 — spodos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
σποδός
spodos — pronounced spod-os'
of uncertain derivation; ashes:--ashes.
3 occurrences in the KJV.
Matthew 11:21
Woe unto thee, Chorazin! woe unto thee, Bethsaida! for if the mighty works, which were done in you, had been done in Tyre and Sidon, they would have repented long ago in sackcloth and ashes.
Luke 10:13
Woe unto thee, Chorazin! woe unto thee, Bethsaida! for if the mighty works had been done in Tyre and Sidon, which have been done in you, they had a great while ago repented, sitting in sackcloth and ashes.
Hebrews 9:13
For if the blood of bulls and of goats, and the ashes of an heifer sprinkling the unclean, sanctifieth to the purifying of the flesh: