The word "浮夸" is formed by combining the character "浮", which means to float or denotes superficiality, with the character "夸", which means to exaggerate or boast. In this compound, "浮" contributes the notion of being insubstantial or lacking depth, while "夸" adds the sense of overstatement or amplification, together creating a term that describes something as extravagantly exaggerated or flamboyant.