Definition of "forwork"

forwork

verb
third-person singular simple present forworks, present participle forworking, simple past and past participle forworked or forwrought
1. (archaic, transitive) To forfeit (a possession, privilege, etc.); ruin (oneself) by one's own conduct.
2. (archaic, transitive) To obstruct; barricade; block.
  Quotations
  And Æthelwold sat within the ham, with the men that to him had bowed, and he had forwrought [obstructed] all the gates in, and said that he would either there live or there lie.
  1881, Grant Allen, Early Britain
3. (archaic, transitive) To do wrong to; injure; scathe.
4. (archaic, transitive) To overwork; exhaust with toil.
  Quotations
  And toiling so, well-nigh forwrought, She prayed full fervently; […]
  1889, St. John's College (University of Cambridge), The Eagle