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Do you really know?

Why doesn’t every language have a word for blue?

11 May 2026

Transcription

Why do some languages lack a word for blue?

4.435 - 34.054 Joseph Chance

Why doesn't every language have a word for blue? Thanks for asking. Our planet is full of blue things. The sea, the sky, blueberries, bluebirds, bluebells. If English is your only language, it's probably inconceivable to you that a language could even exist without a word for blue. After all, along with red and yellow, it's one of the three primary colours, according to traditional colour theory.

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34.034 - 51.243 Joseph Chance

And yet in reality, not every language in the world does have a specific word for blue. You see, in some languages, blue and green are grouped together as a single category. Linguists sometimes refer to these as GRU languages, a blend of the words green and blue.

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51.283 - 56.312 Unknown

My mind is blown. How do people get by without a word for

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57.997 - 84.196 Joseph Chance

Well, to understand things better, it helps to take a step back and consider how our languages actually developed to start with. Colours don't all appear at the same time in the history of a language. In the 1960s, anthropologist Brent Berlin and linguist Paul Kay compared colour systems across nearly 100 languages. They found that languages often followed a similar pattern of development.

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84.717 - 108.063 Joseph Chance

First come basic distinctions like light and dark. Then words for red appear, followed by green or yellow, with blue tending to come much later. Some very old and now extinct languages also lacked a distinct word for blue. In ancient Greece, for example, there was no clear category for the blue we're so familiar with these days.

108.564 - 135.803 Joseph Chance

In the works of Homer, the sea is sometimes described as wine dark, and the sky is hardly ever called blue. Historians and linguists generally believed that the Greeks could see the colour perfectly well, but they simply didn't treat it as a colour category of its own. appear later than others. Because colour words are shaped not just by biology, but by culture and environment as well.

136.343 - 156.289 Joseph Chance

For a long time, blue was relatively rare in everyday life. Blue pigments were difficult to produce, and the colour wasn't widely present in clothing or objects. In many early societies, there was simply less need to give it a precise name. Some historians say that colours are not just physical phenomena.

156.769 - 178.118 Joseph Chance

They're also part of how we make sense of the world, one of the many pieces that make up our cultural identity. They help us distinguish between things and assign them meaning, whether in relation to clothing, symbols or everyday objects. What about modern languages though? Surely they all have a word for blue? Well, no.

178.618 - 199.757 Joseph Chance

Vietnamese is one prominent example of a Gru language, with another being the Dani language spoken in New Guinea. They both use a single term to cover what we would call green and blue. And more broadly, languages don't all divide up colours in the same way. In Russian, for example, there are two separate words where English would just say blue.

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