beltz (Basque)

Where does "beltz" come from?

The Basque word 'beltz' originates from the Proto-Basque root '*bel-', which carried the core meaning of dark or black. Over time, this term evolved through the ancestral form '*beletz' to become the modern adjective used to describe not only the color black, but also concepts of darkness, sadness, and even wickedness.

Full etymology tree

• beltz (Basque), 'black (absorbing all light and reflecting none; dark and hueless)'
  • derived *beletz (Proto-Basque), 'black'
    • derived *bel- (Proto-Basque), 'dark, black'

Ancestors

• *beletz (Proto-Basque)

Updated June 2026

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Etymology data from Wiktionary, CC BY-SA 4.0 · About Miraris