Heat source since the Stone Age
Crossword clue · 1 known answers · 1 appearances · Last seen in the Newsday crossword on August 26, 2026
Latest answer · Verified
FIRE
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About this clue
The clue “Heat source since the Stone Age” has appeared 1 times in our database with 1 different answers, so count the squares in your grid and check the crossings before you commit. Most recently it ran in the Newsday crossword on August 26, 2026, where the answer was FIRE.
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