The Vietnamese word "tễ" is a noun that specifically refers to "pills" or "medication." It is commonly used in the context of traditional medicine or when discussing treatments in a broader sense.
In a more advanced context, "tễ" can also refer to specific types of traditional medicine that come in pill form. It can imply a more holistic approach to health.
While "tễ" primarily means "pills," it can also sometimes refer to the overall category of medicinal preparations in traditional Vietnamese medicine, which may include various forms of herbal remedies.
In summary, "tễ" is a specific term for "pills" in Vietnamese, often used in the context of health and medicine. It can be used in various expressions related to traditional medicine and has related terms that expand its meaning.