The word 贪婪 is formed by combining two characters, 贪 and 婪, which both independently carry the core meaning of "insatiable desire" or "avarice". 贪 often implies a corrupt or excessive craving for money or power, while 婪 adds the specific nuance of an unquenchable, greedy longing for material possessions or gain. When paired, they do not create a new meaning from unrelated parts, but rather reinforce and intensify the same central concept, building a more vivid and complete picture of ravenous greed through their synergistic repetition.