In Swahili, if a friend stubs their toe, you say "pole." Sorry.

So you'd think 'pole pole' means 'very sorry.' It isn't. It means "slowly."

How come?

Pole really means gently.

A calm, soft-spoken person is mpole. If you tell someone "enda pole," you're telling them to go gently, take it easy. And when you say pole to someone who's hurting, you're offering them some of that gentleness.

So pole pole means "gently, gently," and gently, gently is how you move when you're going slowly.

Now here's the more interesting bit. In my language, Dholuo, we do the same thing. If someone trips, you say "mos." Sorry. And if you want someone to take it easy, you tell them "mosmos." Slowly.

I grew up saying both and never made the connection.

Swahili and Dholuo aren't even related. Swahili is a Bantu language, and Dholuo is Nilotic, so they come from completely different families, and they still ended up with the same habit.

So did one pick it up from the other? It's possible. Luo and Bantu communities have traded, married and lived next to each other for a very long time.

Linguists even have a word for this kind of borrowing, a calque: you copy your neighbour's idea but build it with your own words.

Or maybe both languages got there on their own. I honestly don't know yet, and I love that.

What I do know is that this trick of saying a word twice has a name: reduplication. And I'd bet your language does it too. Here's what to listen for.

It can soften things, like pole pole. In Swahili, tembea is walk, but tembeatembea is wandering around with no real plan.

It can turn the volume up. In Shona, kure is far, and kurekure is very, very far. Same trick as pole pole, but with the opposite effect.

Sometimes it can share things out. In Swahili, mmoja mmoja is one by one, and wawili wawili is two by two, like the animals going into Noah's ark. In Lingala, moke is small, and mokemoke is little by little.

And sometimes it changes what kind of word you've got. In Igbo, ọsọ is a run, and ọsọ ọsọ means faster.

Careful, though: some words only look doubled. Kuku (chicken) and popo (bat) are like that. Drop the second half, and you're left with ku and po, which don't mean anything.

Try it in your language.

Our languages share more than we think.

So tell me: what does your language say twice?

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