u·surp (y-sûrp, -zûrp)
v. u·surped, u·surp·ing, u·surps
1. To seize and hold (the power or rights of another, for example) by force or without legal authority.
2. To take over or occupy without right: usurp a neighbor's land.
3. To take the place of (another) without legal authority; supplant.
To seize another's place, authority, or possession wrongfully.
[Middle English usurpen, from Old French usurper, from Latin ūsūrpāre, to take into use, usurp; see reup- 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.