os·su·ar·y (ŏsh-ĕr′ē, ŏsy-)
n. pl. os·su·ar·ies
A container or receptacle, such as an urn or a vault, for holding the bones of the dead.
[Late Latin ossuārium, from neuter of Latin ossuārius, of bones, from os, oss-, bone; see ost- in the Appendix of Indo-European 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.