The story
From fire + break. Compare windbreak and breakwater.
Etymology from Wiktionary, CC BY-SA 4.0.
firebreak
Today it means: An area cleared of all flammable material to prevent a fire from spreading across it. Full definition →
Today it means: An area cleared of all flammable material to prevent a fire from spreading across it. Full definition →
From fire + break. Compare windbreak and breakwater.
Etymology from Wiktionary, CC BY-SA 4.0.