Where does “implacably” come from?

Implacably comes from Middle English -ly added to Old English -līċ, from Latin implacabilis meaning "not to be appeased," derived from Latin in- "not" and placabilis "appeasable."

implacably (English): In an implacable manner

Definitions

  1. In an implacable manner

Ancestry of “implacably”, step by step

StepLanguageWordMeaning
1EnglishimplacableNot able to be placated or appeased; Impossible...
2Middle Englishimplācābleimmitigable, unappeasable
3Old Frenchimplacableharsh, unrelenting; implacable
4Latinimplacabĭlisunappeasable, implacable
5Latinim-Alternative form of in-; form of "in"; in
6Latinīn-un-, non-, not
7Latinînin, at, on, upon, from (space)
8Latinenlookǃ beholdǃ; reallyǃ?; come onǃ
9Proto-Italicenin
10Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European h₁én