Where does “undenominationalise” come from?

undenominationalise (English) comes from English denominationalise, from English denominational, from English denomination, from Old French denominacion, from Latin dēnōminātiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus — small stone, pebble; gravel, rubble.

Ancestry of “undenominationalise”, step by step

undenominationalise traces back through two separate lines of ancestry.

via English denominationalise

StepLanguageWordMeaning
1Englishdenominationalise
2EnglishdenominationalOf or pertaining to a denomination
3EnglishdenominationThe act of naming or designating; That by which...
4Old Frenchdenominacion
5Latindēnōminātiōmetonymy
6Latin-tiōtion, -ation, -ing
7Latindissertātiō(spoken) dissertation, discourse, disquisition
8Latindissertusarranged, disposed; explained
9Latindissereresecond-person singular future passive indicative...
10Latindis-asunder, apart, in two; reversal, removal;...
11Latincalceusshoe
12Latincalxlimestone; chalk; the finish line
13Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-