What is the root of the American word "buckaroo"?

The American word “buckaroo” comes from the Spanish vaquero, meaning cowboy.

It was picked up as Americans moved into western lands once owned by Mexico.

Who said, “My mind to me a kingdom is”? Sir Edward Dyer said, "My mind to me a kingdom is" in his 1588 poem of the same name.
When was the FBI’s Ten Most Wanted List started? The FBI's Ten most wanted list was started in 1950. In 1970, the FBI unofficially increased the number to 16.
What were the major ethnic groups employed in the building of the first transcontinental railroad in the U.S.? The eastern branch of the first U.S. transcontinental railroad, the Union Pacific, employed mainly Irish workers; the western branch, the Central Pacific, employed mainly Chinese workers. The two work crews met at Promontory,…
In the American Revolution, how many men were required for a regiment in the Continental army? In November 1775, the Continental Congress advised that a regiment have eight companies of 91 officers and men apiece, for a total of 728. The actual size of the regiments varied per state.
How does the marriage rate in the United States in recent years compare to that in 1900? Recent marriage rates have been fairly similar to what they were at the turn of the century. In 1900, the marriage rate was 9.3 per 1,000; in 1988, it was 9.7. The divorce…
What is the speed limit in New York City? The speed limit in New York City is thirty miles per hour on the streets, 50 miles per hour on the highways, except where otherwise noted.