profligacy
prof·li·gacy
noun
1.
the trait of spending extravagantly
2.
Origin
From proflig(ate) + -acy (with -acy a suffixal construction from -ate + -cy), from Latin prōflīgātus, past participle of Latin prōflīgō, from prō- (“forward”) + flīgō (“to strike, dash”) (whence pro-).
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Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.