Where does “fierceness” come from?

Fierceness comes from Middle English fierceness, composed of fierce plus the Old English suffix -nes, ultimately from Latin ferus meaning wild, derived from Proto-Indo-European ǵʰwer-.

fierceness (English): The state of being fierce

Definitions

  1. The state of being fierce

Ancestry of “fierceness”, step by step

fierceness traces back through two separate lines of ancestry.

via English fierce

StepLanguageWordMeaning
1EnglishfierceExceedingly violent, severe, ferocious, cruel or...
2Middle Englishfersbrave, bold
3Old Englishfersverse; sentence, title
4Latinversusturned, changed, having been turned; towards,...
5Latinvertōto turn, turn oneself, direct one's way, to turn about, turn around, revolve
6Proto-Italicwertōto turn
7Proto-Indo-Europeanwert-to turn, to rotate
8Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel

via Middle English fersnesse

StepLanguageWordMeaning
1Middle Englishfersnesseferociousness, fierceness
Every word from Proto-Indo-European wer-