sur·plus (sûrpləs, -plŭs′)
Being more than or in excess of what is needed or required: surplus grain. See Synonyms at superfluous.
1. An amount or quantity in excess of what is needed.
a. Total assets minus the sum of all liabilities.
b. Excess of a corporation's net assets over the face value of its capital stock.
c. Excess of receipts over expenditures.
[Middle English, an excess, surplus, from Old French, an excess, from Medieval Latin superplūs : Latin super-, super- + Latin plūs, more; see pelə-1 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.