[som-nam-byuh-leyt, suh m-]
- to walk during sleep; sleepwalk.
Origin of somnambulate
1825–35; < Latin somn(us) sleep + ambulate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for somnambulation
- (intr) to walk while asleep
C19: from Latin somnus sleep + ambulāre to walk
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
Word Origin and History for somnambulation
1789, noun of action; see somnambulism.
1821, probably a back-formation from somnambulism. Related: Somnambulated; somnambulating.
Online Etymology Dictionary, © 2010 Douglas Harper