Which term is associated with the act of permanently removing something?

The term "eradicate" is closely associated with the act of permanently removing something because it specifically denotes the complete destruction or elimination of a particular element. When one eradicates something, such as a disease, a pest, or an undesirable trait, it implies a thorough and final action, leaving no remnants behind. This term carries a strong connotation of total removal, which aligns well with the idea of permanence in erasing something from existence.

In contrast, the other terms do not convey the same meaning. "Maintain" refers to keeping or preserving something in its current state, which is the opposite of removal. "Support" implies providing assistance or backing, not removing anything. "Enhance" suggests improving or augmenting something rather than taking it away. Therefore, "eradicate" stands out as the most accurate choice for the concept of permanent removal.