1. A claymore mine.
2. A large, double-edged broadsword formerly used by Scottish Highlanders.
[Scottish Gaelic claidheamh mór, large sword : claidheamh, sword (from Old Irish claideb) + mór, great (from Old Irish; see mē-3 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.