Etymograph

English

fit

Fit (suitable) possibly comes from Middle English fit ‘an adversary of equal power’, of uncertain further origin.

  1. Middle Englishc. 1150–1500fit1‘an adversary of equal power’uncertain
  2. Englishearliest quotation 1600fit1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English fit
  2. Earliest quotation in Wiktionary’s entry: 1600, Torquato Tasso, (please specify |book=1 to 20): “So fit to shoot, she singled forth among her…”.

Lineage

  1. Middle Englishc. 1150–1500fitWiktionary, English fit‘an adversary of equal power’uncertain
  2. Englishearliest quotation 1600fitWiktionary, English fit. Earliest quotation in Wiktionary’s entry: 1600, Torquato Tasso, (please specify |book=1 to 20): “So fit to shoot, she singled forth among her…”

The story

The original sense appears to have been "to marshal or deploy troops", which shifted to "to suit (troops to a certain location" > "suitable", and may be further related to Icelandic fitja (‘to web, knit, cast on’).

Full etymology on Wiktionary

Every English word from Middle English fit

Another origin of fit

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pedio-uncertain
  2. Proto-Germanicc. 500 BCE–200 CE*fitjō‘foot, seam’uncertain
  3. Proto-West Germanicc. 200–500 CE*fittjuuncertain
  4. Old Englishc. 450–1150fitt‘conflict’uncertain
  5. Middle Englishc. 1150–1500fit‘hardship, danger’
  6. Englishtodayfit

From Middle English fit (‘hardship, danger’), possibly from Old English fitt (‘conflict’)—a word only attested once.

Today it means

adj Suitable; proper

Sources

Sources: Wiktionary, “fit”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Middle English fit / fit

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