Concept:
Hepatitis refers to inflammation or swelling of the liver. It is commonly caused by viral infections, alcohol abuse, toxins, or autoimmune disorders.
The term “hepat” refers to the liver, and “itis” means inflammation.
Step 1: Understand the meaning of hepatitis.
The word hepatitis is derived from:
\[
\text{Hepat} = \text{Liver}, \qquad \text{Itis} = \text{Inflammation}
\]
Step 2: Identify the affected organ.
Thus, hepatitis refers to swelling or inflammation of the:
\[
\text{Liver}
\]
Step 3: Choose the correct option.
Among the given choices, Liver corresponds to:
\[
B
\]
Hence, the correct answer is:
\[
\boxed{(A)\ B}
\]