The term **"行盬"** can be translated into English as **"itinerant salt"** or **"traveling salt merchant"**, depending on the context.

- **"Itinerant salt"** refers to salt that is transported or traded across regions.
- **"Traveling salt merchant"** refers to a person engaged in the mobile trade of salt.

If you have a specific context (e.g., historical, commercial, or literary), please provide more details for a more precise translation.