Where does “irreversibleness” come from?

irreversibleness (English) comes from English irreversible, from English ir-, from Latin ir-, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

irreversibleness (English): The state or quality of being irreversible

Definitions

  1. The state or quality of being irreversible

Ancestry of “irreversibleness”, step by step

irreversibleness traces back through two separate lines of ancestry.

via English irreversible

StepLanguageWordMeaning
1EnglishirreversibleIncapable of being reversed or turned about or...
2Englishir-Used for expressing negation; not
3Latinir-Alternative form of in-; un-
4Latinīn-un-, non-, not
5Latinînin, at, on, upon, from (space)
6Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
7Proto-Italicenin
8Proto-Indo-Europeanh₁énin

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 Proto-Indo-European h₁énEvery word from Latin īn-Every word from Proto-Italic en