Strong's G5077 · Greek

τεφρόω

tephroo · tef-ro'-o

from tephra (ashes); to incinerate, i.e. consume

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 1 τεφρόω , -ῶ ( τέφρα , ashes ; Wi 2:3 , al.), to burn to ashes : II Pe 2:6 .† 

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