Where does “inexorableness” come from?

inexorableness (English) comes from English inexorable, from Middle French inexorable, from Latin inexorabilis, from Latin exorabilis, from Latin exoro, from Latin ōrō, from Latin ōs, from Proto-Italic ōs — bone.

inexorableness (English): The quality of being inexorable

Definitions

  1. The quality of being inexorable

Ancestry of “inexorableness”, step by step

inexorableness traces back through two separate lines of ancestry.

via English inexorable

StepLanguageWordMeaning
1EnglishinexorableImpossible to prevent or stop; inevitable; Unable...
2Middle Frenchinexorable
3Latininexorabilisrelentless, inexorable
4Latinexorabilisexorable; persuasive
5LatinexoroI persuade or win over; I beg, plead or entreat
6Latinōrōto orate, deliver a speech publicly
7Latinōsmouth
8Proto-Italicōsmouth
9Proto-Indo-Europeanh₃ésth₁bone

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 h₃ésth₁Every word from Proto-Italic ōsEvery word from Latin ōs