Etymograph

English

forswear

Forswear comes from Middle English forsweren ‘to perform perjury’, from Old English forswerian ‘to swear falsely’, and ultimately from Proto-West Germanic *fraswarjan.

  1. Proto-West Germanicc. 200–500 CE*fraswarjanreconstructed
  2. Old Englishc. 450–1150forswerian‘to swear falsely’
  3. Middle Englishc. 1150–1500forsweren‘to perform perjury’
  4. Englishearliest quotation 1592forswear

attested reconstructed ? uncertain or disputed

Lineage

  1. Proto-West Germanicc. 200–500 CE*fraswarjanreconstructed
  2. Old Englishc. 450–1150forswerian‘to swear falsely’
  3. Middle Englishc. 1150–1500forsweren‘to perform perjury’
  4. Englishearliest quotation 1592forswear

Earliest quotation: 1592, William Shakespeare: “Never to woo her more; but do forswear her.”

Formed from for- + swear

Proto-Indo-European *pro- ‘before, in front of’

Proto-Germanic *fra- ‘off, away’

Proto-West Germanic *fra- ‘forms verbs with the sense of "away from" or…’

English for-

Proto-Indo-European *swer- ‘to swear’

Proto-Germanic *swarjaną ‘to speak’

Proto-West Germanic *swarjan ‘to swear’

Old English swerian ‘to swear’

Middle English sweren ‘to take an oath that an assertion is true’

English swear

Today it means

verb To renounce or deny something, especially under oath.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-West Germanic *fraswarjan / forswear