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Hi, everyone. And welcome back to our new segment. It means what？

Yeah.

OK, your YEAH is getting less passionate. Anyhow欢迎回来我们的新板块词源考古研究所.

Hi, 安澜.

Hi, 璐璐. Hi, everyone.

So let me propose the word of the day.

Okay.

This is a word that - well basically will bring up some painful memory of the past 3 years.

Okay.

So, you know it has something to do with pandemic.

Yeah.

Is this something we probably all got? And that is the word vaccine.

Oh yes. Vaccine or vaccination.

就是接种疫苗, 对吧？疫苗. I'm pretty sure you all got vaccinated. Well, for COVID.

Oh, yeah, yeah, I got vaccinated quite a few times, actually I think now.

Me too, me too. But I've always wondered, although we've talked about vaccination and all the relevant words and expressions in other episodes. But where does this word even come from? Vaccine? Is it medically originated?

No, it's actually a Latin word and it comes from the word for cow.

Cow like mooooooo, cow.

Moo, cow. Vacca.

所以是拉丁文的牛的意思. I fail to see the connection between modern medicine or medical treatment and moo cows.

Well, we just call them cows in English. If you call them moo cows, it sounds a little bit stupid.

Okay, thank you.

That's alright.

But I'm pretty sure there's interesting background story.

Well yeah. And it all comes from when vaccines were first invented. So, this was in the 18th century and a British scientist named Edward Jenner. Now Edward Jenner was a doctor as well as a scientist. And he noticed something quite strange. That June that time, when smallpox was everywhere.