[ dih-sen-shuh n ]
/ dɪˈsɛn ʃən /
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Word Origin and History for descension
early 15c., from Old French descension, from Latin descensionem (nominative descensio) "a going down, descending," noun of action from descensus, past participle of descendere (see descend).
Online Etymology Dictionary, © 2010 Douglas Harper