ham·er·kop (hămər-kŏp′, hämər-) or ham·mer·kop (hămər-)
[Afrikaans : hamer, hammer (from Middle Dutch) ; see ak- in the Appendix of Indo-European roots + kop, head (from Middle Dutch, cup, head, from Old Dutch, cup, ultimately from Late Latin cuppa, drinking vessel, cup; see CUP).]
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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.