Old French sor

→ English sore (mention)

→ Middle English sor (borrowed)

→ Middle English sowre (borrowed)

→ Middle English soure (borrowed)

→ Middle English soore (borrowed)

→ French sur (mention)

→ French saur (derived)

→ Old French seur (link)

→ Old French sor toz (mention)

→ Old French sorprendre (prefix)

→ Old French sorveir (compound)