French falloir

← Old French faloir (inherited)

← Old French falleir (mention)

← Old French faillir (mention)

← Old French faut (mention)

← Old French falt (mention)

← Old French valoir (mention)

← Old French faillir (mention)

← Franco-Provençal falêr (link)

← Latin fallit (mention)

← Latin fallere (derived)

← Latin fallō (mention)

→ French faillir (mention)

→ French fauloir (mention)

→ Franco-Provençal falêr (borrowed)

→ Louisiana Creole French faut (inherited)