A Combustible Petroleum Distillate Used as Fuel
This page is the CodyCross answer for the clue below from Ancient Egypt, Group 200, Puzzle 1 (Rosetta Stone).
Question is: A Combustible Petroleum Distillate Used as Fuel
and the answer is: DIESEL
Word Meaning:
DIESEL — A fuel derived from petroleum (or other oils) but heavier than gasoline/petrol. Used to power diesel engines which burn this fuel using the heat produced when air is compressed.
Definitions from Wiktionary.