guerroiier

• gueraer, guereer, guereier, guerier, guerioier, gueroier, guerrayer, guerreer, guerreyer, guerrier, guerroier, guerroyer, gerreer, gerrier, gerroyer, guarraier, gwarreer
• warreier, werrier

Inherited from Vulgar Latin *werrizāre. Derivable from guerre (“war”) +‎ -oiier (verb-forming suffix).

guerroiier

1. to wage war; to engage in warfare
   • De totes pars Dieus me guerroie, (Rutebeuf, C'est La Paiz De Rutebuef)

     God is waging war on me from all angles,

This verb conjugates as a first-group verb ending in -ier, with a palatal stem. These verbs are conjugated mostly like verbs in -er, but there is an extra i before the e of some endings. This verb has a stressed present stem guerri distinct from the unstressed stem guerroi, as well as other irregularities. Old French conjugation varies significantly by date and by region. The following conjugation should be treated as a guide.

• French: guerroyer
• → Middle English: werreyen, werrey, werry, werrai, werrien, werraye, werrei, werreye, werye
  • English: warray (obsolete)
  • Scots: warra (obsolete)

• guerreier_2 on the Anglo-Norman On-Line Hub
• Walther von Wartburg (1928–2002) “*werra”, in Französisches Etymologisches Wörterbuch, volumes 17: Germanismes: S–Z, page 568