Where does “fitness” come from?

Fitness is derived from English fit, combined with the Middle English suffix -nesse, which developed from Old English -nes, ultimately tracing to Proto-Germanic -inassuz and -inōną.

fitness (English): The condition of being fit, suitable or...

Definitions

  1. The condition of being fit, suitable or...

Ancestry of “fitness”, step by step

StepLanguageWordMeaning
1EnglishfitSuitable, proper; Adapted to a purpose or...
2EnglishoutfitA set of clothing; Gear consisting of a set of...
3EnglishoutAway from the inside, centre or other point of...
4Middle Englishouteout
5Old Englishūtout
6Proto-West Germanic*ūtout, outward
7Proto-Germanicūtout, outward
8Proto-Indo-Europeanúdout, outward

Words derived from “fitness

Every word from Proto-Indo-European údEvery word from Proto-Germanic ūtEvery word from Proto-West Germanic *ūt