[verb kyoo-myuh-leyt; adjective kyoo-myuh-lit, -leyt]
verb (used with object), cu·mu·lat·ed, cu·mu·lat·ing.
to heap up; amass; accumulate.
Origin of cumulate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(tr) to combine (two or more sequences) into one
adjective (ˈkjuːmjʊlɪt, -ˌleɪt)
Word Origin for cumulate
C16: from Latin cumulāre from cumulus heap
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
1530s, from Latin cumulatus "heaped, increased, augmented," past participle of cumulare "to heap," from cumulus "mound, heap" (see cumulus). Related: Cumulated; cumulating.
Online Etymology Dictionary, © 2010 Douglas Harper