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an·ky·lo·sis also an·chy·lo·sis

(ăng′kə-lōsĭs)

1. The consolidation of bones or their parts to form a single unit.

2. The stiffening and immobility of a joint as the result of disease, trauma, surgery, or abnormal bone fusion.

[New Latin, from Greek ankulōsis, stiffening of the joints, from ankuloun, to crook, bend, from ankulos, crooked, bent.]

an′ky·lotic (-lŏtĭk) adj.

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:

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Semitic Roots

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.

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