Strong's G4700 · Greek

σποδός

spodos · spod-os'

of uncertain derivation; ashes

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 3 σποδός , -οῦ, ὁ [in LXX chiefly for אֵפֶר ;] ashes : He 9:13 ; ἐν σάκκῳ καὶ σ. ( Is 58:5 , Jo 3:6 , Da LXX 9:3 , al.), Mt 11:21 , Lk 10:13 .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain