French fourneau

← Catalan fornell (cognate)

← Spanish hornillo (cognate)

← French four (cognate)

← French -eau (affix)

← Middle French fourneau (inherited)

← Old French fornel (inherited)

← Old French forn (derived)

← Italian fornello (cognate)

← Latin furnus (inherited)

← Occitan fornèl (cognate)

← Walloon fornea (cognate)

→ English fourneau (borrowed)

→ English fornacite (cognate)

→ Spanish hornillo (cognate)

→ Italian fornello (cognate)

→ Old Occitan fornel (mention)