> I also don’t know how “bad heart” can mean nausea It's the same in many other languages. In French, having "mal au cœur" — pain in the heart — can mean that

> I also don’t know how “bad heart” can mean nausea It's the same in many other languages. In French, having "mal au cœur" — pain in the heart — can mean that you're nauseous. In Estonian, to "have the heart bad" (using that word order) means the same thing.