Where does “unsuccessfulness” come from?

unsuccessfulness (English) comes from English unsuccessful, from English successful, from English success, from Italian successo, from Latin successus, from Latin succēdere, from Latin sub, from Proto-Italic supo.

unsuccessfulness (English): The state or condition of being unsuccessful

Definitions

  1. The state or condition of being unsuccessful

Ancestry of “unsuccessfulness”, step by step

unsuccessfulness traces back through two separate lines of ancestry.

via English unsuccessful

StepLanguageWordMeaning
1EnglishunsuccessfulFailed, not successful
2EnglishsuccessfulResulting in success; assuring, or promoting,...
3EnglishsuccessThe achievement of one's aim or goal; Financial...
4Italiansuccessosuccess
5Latinsuccessuscourse, flow (of time), approach
6Latinsuccēdere
7Latinsubunder, beneath; behind; at the feet of
8Proto-Italicsupounder
9Proto-Indo-Europeanupóunder, below
10Proto-Indo-Europeanh₃ewp-

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 h₃ewp-Every word from Proto-Indo-European upóEvery word from Proto-Italic supo
unsuccessfulness — Etymology, Origin & Word History | Etymology Explorer