Etymograph

English

forfeit

Forfeit comes from Old French forfait ‘crime’, and goes back to Proto-Indo-European *dʰeh₁- ‘to do’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁-1‘to do’root named by Wiktionary · steps between not traced
  2. Old Frenchc. 842–1400forfait2‘crime’
  3. Middle Englishc. 1150–1500forfait1‘crime’
  4. Englishearliest quotation c. 1596–1598forfeit1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English forfeit
  2. 2 Wiktionary, Middle English forfait
  3. Earliest quotation in Wiktionary’s entry: c. 1596–1598, William Shakespeare, The Merchant of Venice: “I will have the heart of him if he…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dʰeh₁-Wiktionary, English forfeit‘to do’root named by Wiktionary · steps between not traced
  2. Old Frenchc. 842–1400forfaitWiktionary, Middle English forfait‘crime’
  3. Middle Englishc. 1150–1500forfaitWiktionary, English forfeit‘crime’
  4. Englishearliest quotation c. 1596–1598forfeitWiktionary, English forfeit. Earliest quotation in Wiktionary’s entry: c. 1596–1598, William Shakespeare, The Merchant of Venice: “I will have the heart of him if he…”

The story

During the 15th century, the sense shifted from the crime to the penalty for the crime.

Full etymology on Wiktionary

Linked words

through Proto-Indo-European *dʰeh₁- ‘to do’

do, fact, deal, hot, fair, fan, fashion, mid, defense, benefit, feature, theme, custom, ethnic, sufficient, defence, treasury, treasure, ethical, thesis, aesthetic, synthetic, theology, doom, defendant, tick, deed, dis, feast, ethic, atheist, demi, deem, spade, thematic, ethos, atheism, fanatic, familial, medial, 128 more

Today it means

noun A penalty for or consequence of a misdemeanor.

Sources

Sources: Wiktionary, “forfeit”; the older steps come from the Wiktionary entry for Middle English forfait. 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 / Proto-Indo-European *dʰeh₁- / forfeit