Where does “unappeasable” come from?

unappeasable (English) comes 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, from Latin herī — day.

unappeasable (English): not able to be appeased or satisfied

Definitions

  1. not able to be appeased or satisfied

Ancestry of “unappeasable”, step by step

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

Words derived from “unappeasable

Every word from Proto-Indo-European dʰeǵʰ-
unappeasable — Etymology, Origin & Word History | Etymology Explorer