Old French reaume

← Old French real (mention)

← Old French reiame (mention)

← Latin regalis (derived)

← Latin regimen (inherited)

← Latin (mention)

← Old Occitan regeme (mention)

← Old Occitan reialme (mention)

→ English realm (derived)

→ Middle English rewme (borrowed)

→ Middle English reeme (borrowed)

→ French royaume (inherited)

→ Middle French royaulme (mention)

→ Old French reialme (mention)

→ Old French reialme (mention)

→ Friulian ream (mention)

→ Italian reame (mention)

→ Norman rouoyaume (inherited)

→ Norman reyoume (mention)

→ Norman rouoyanme (inherited)

→ Norman royaûme (inherited)