Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

WORD ORIGIN

1610s, from French décapiter (14c.), from Late Latin decapitatus past participle of decapitare, from Latin de- "off" (see de-) + caput (genitive capitis) "head" (see capitulum). Related: Decapitated; decapitating.