tung4 mun4同門同门

How it's used

This term carries a strong sense of shared lineage and mutual loyalty, often used in contexts involving martial arts or traditional crafts. It emphasizes the bond between people who share the same teacher, implying a hierarchy or a sense of brotherhood that goes beyond simple classmates. While it can be used in modern professional settings to describe people who trained under the same mentor, it retains a slightly dramatic or classical flair.