Stuff You Should Know (SYSK) podcast did a show on Ketchup/Catsup and it has a much richer history than I would have thought. From the webpage...

Little-known fact: Ketchup, possibly the most all-American of condiments, evolved from fermented fish sauce people in Southeast Asia have been making for more than a thousand years.

Here's a link to the entire episode if you're interested in hearing how the fuck that statement can be possible.

https://www.iheart.com/podcast/105-stuff-you-should-know-26940277/episode/how-ketchup-works-29467409/