French morne

← English mourn (cognate)

← Middle French morne (inherited)

← Old French morne (inherited)

← Old French murne (mention)

← Old French morner (cognate)

← Proto-Germanic *murnaz (derived)

← Gothic 𐌼𐌰𐌿𐍂𐌽𐌰𐌽 (cognate)

← Old Norse morna (cognate)

→ English mourn (cognate)

→ French mornement (suffix)