noun, plural fe·lo·nes-de-se [fel-uh-neez-di-see, -sey, fuh-loh-neez-] /ˈfɛl əˌniz dɪˈsi, -ˈseɪ, fəˈloʊ niz-/, fe·los-de-se [fel-ohz-di-see, -sey] /ˈfɛl oʊz dɪˈsi, -ˈseɪ/.
a person who commits suicide or commits an unlawful malicious act resulting in his or her own death.
the act of suicide.
Origin of felo-de-se
1645–55; < Anglo-Latin, equivalent to felō a felon + dē in respect to, of + sē oneself
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
felo de se
noun plural felones de se (ˈfiːləʊˌniːz dɪ ˈsiː, ˈfɛl-) or felos de se
- a person who commits suicide
Word Origin for felo de se
C17: from Anglo-Latin, from felō felon + Latin dē of + sē oneself
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Latin, "suicide," literally "one guilty concerning himself."
Online Etymology Dictionary, © 2010 Douglas Harper