Where does “disjunctiveness” come from?

disjunctiveness (English) comes from English disjunctive, from Middle English disjunctief, from Latin disjunctivus, from Latin -īvus, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

disjunctiveness (English): The quality of being disjunctive

Definitions

  1. The quality of being disjunctive

Ancestry of “disjunctiveness”, step by step

disjunctiveness traces back through two separate lines of ancestry.

via English disjunctive

StepLanguageWordMeaning
1EnglishdisjunctiveNot connected; separated; Not used in immediate...
2Middle Englishdisjunctief
3LatindisjunctivusAlternative form of disiunctivus; placed in...
4Latin-īvusAdjective suffix
5Proto-Indo-European-iHwós
6Proto-Indo-European-wósCreates adjectives from verb stems

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 -wósEvery word from Latin -īvusEvery word from Latin disjunctivus