cumulation

[kyoo-myuh-ley-shuh n]

Origin of cumulation

First recorded in 1610–20; cumulate + -ion
Related formsde·cu·mu·la·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for decumulation

cumulation

n.

1610s, noun of action from cumulate.

Online Etymology Dictionary, © 2010 Douglas Harper