Where does “unappeasableness” come from?

unappeasableness (English) comes from English unappeasable, from English appeasable, from English appease, from Middle English apesen, from Old French apeser, from French apaiser, from Old French apaisier, from Old French ier — day.

unappeasableness (English): The quality of being unappeasable

Definitions

  1. The quality of being unappeasable

Ancestry of “unappeasableness”, step by step

unappeasableness traces back through two separate lines of ancestry.

via English unappeasable

StepLanguageWordMeaning
1Englishunappeasablenot able to be appeased or satisfied
2EnglishappeasableAble to be calmed or pacified
3EnglishappeaseTo make quiet; to calm; to reduce to a state of...
4Middle Englishapesen
5Old Frenchapeserto pacify, bring to peace
6Frenchapaiserto mollify; to appease, pacify, calm
7Old Frenchapaisierto make less painful
8Old Frenchieryesterday
9Latinherīyesterday
10Latinhereyesterday; second-person singular present active...
11Proto-Italichezī
12Proto-Indo-Europeandʰǵʰyésiyesterday
13Proto-Indo-Europeandʰǵʰyes-yesterday, the day before
14Proto-Indo-Europeandʰeǵʰ-day

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 dʰeǵʰ-