Where does “illusionlessness” come from?

illusionlessness (English) comes from English illusionless, from English illusion, from Old French illusion, from Latin illūsiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere — small stone, pebble; gravel, rubble.

illusionlessness (English): Absence of illusion

Definitions

  1. Absence of illusion

Ancestry of “illusionlessness”, step by step

illusionlessness traces back through two separate lines of ancestry.

via English illusionless

StepLanguageWordMeaning
1EnglishillusionlessDevoid of illusions
2EnglishillusionAnything that seems to be something that it is...
3Old Frenchillusion
4Latinillūsiōjeering, mocking
5Latin-tiōtion, -ation, -ing
6Latindissertātiō(spoken) dissertation, discourse, disquisition
7Latindissertusarranged, disposed; explained
8Latindissereresecond-person singular future passive indicative...
9Latindis-asunder, apart, in two; reversal, removal;...
10Latincalceusshoe
11Latincalxlimestone; chalk; the finish line
12Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-