Basic Guidelines For English Spellings
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Tea in the form a solid brick-like block made by steaming and compressing coarse tea leaves, stalks, and tea dust.
Brick tea is consumed across Central Asia and Russia and has historically been used as a form of currency in some regions.
Late 18th century; earliest use found in John Trusler (1735–1820), Church of England clergyman and author. From brick + tea, after Russian kirpičnyj čaj, perhaps itself after a compound in a Central Asian Turkic language.