A binary star in the constellation Taurus, 68 light years from Earth, and one of the brightest stars in the sky.
[Middle English Aldeboran, from Medieval Latin Aldebaran, from Arabic ad-dabarān : al-, the + dabarān, following (the Pleiades) (from dabara, to follow; see dpr in the Appendix of Semitic roots).]
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.