English word cyan comes from Proto-Indo-European *ḱʷei-
| Dictionary entry | Language | Definition |
|---|---|---|
| *ḱʷei- | Proto-Indo-European (ine-pro) | |
| κύανος | Ancient Greek (grc) | |
| cyan | English (eng) | A colour between blue and green in the visible spectrum; the complementary colour of red; the colour obtained by subtracting red from white light. Of the colour cyan. |