I'm always curious about connections between Persian and other languages. Now that I'm living among Spanish-speaking people, I look for possible Persian and Spanish links.
A few minutes ago I was watching a clip about Patagonia in the bottom of South America. The narrator mentioned the Spanish word "gaucho" when the film showed a cowboy. I thought, What a coincidence. The Persian word for a cowboy is "gaavcharan" گاوچران ... gaucho... gaavcharan ... They've got to be one and the same and from the same source.
I get a thrill every time.