per·du or per·due (pər-d, -dy)
A soldier sent on an especially dangerous mission.
[French perdu, masculine past participle, and perdue, feminine past participle (as in sentinelle perdue, lost sentry, sentry posted in a position in which death is likely) of perdre, to lose, from Latin perdere; see PERDITION.]
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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.