Here's a brief history:
* 16th Century: The "thaler" or "taler" was a silver coin minted in the Bohemian region of the Holy Roman Empire (modern-day Czech Republic).
* 17th Century: The Dutch, who traded extensively in this region, adopted the word "thaler" and used it as "daalder" in their language.
* 18th Century: The English adopted the Dutch word, transforming it into "dollar."
* 19th Century: The United States adopted the "dollar" as its official currency.
So, while the origin of the word "dollar" ultimately goes back to the Czech word "tolar," it went through a journey of adaptation and evolution in Dutch and English before becoming the ubiquitous currency unit we know today.