Where does “unprofitableness” come from?

unprofitableness (English) comes from English unprofitable, from English profitable, from Old French profitable, from Old French able, from Latin habilis, from Latin -ilis, from Proto-Italic -elis, from Proto-Indo-European -elis — Forms agent nouns from verbal roots.

unprofitableness (English): unprofitability

Definitions

  1. unprofitability

Ancestry of “unprofitableness”, step by step

unprofitableness traces back through two separate lines of ancestry.

via English unprofitable

StepLanguageWordMeaning
1Englishunprofitablenot making a profit
2EnglishprofitableProducing a profit
3Old Frenchprofitableuseful; usable; that one can make use of
4Old Frenchableable; capable
5Latinhabilisable to have/possess/maintain; having sufficient...
6Latin-ilis-ile
7Proto-Italic-elis
8Proto-Indo-European-elis
9Proto-Indo-European-lósForms agent nouns from verbal roots

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 -lósEvery word from Latin -ilisEvery word from Latin habilis