The term "trans-french" is a combination of two elements: "trans" and "French." In the context of adult content, "trans" commonly refers to Transgender, which means someone whose gender identity or expression differs from their assigned sex at birth. "French" in this case likely refers to the French nationality or language.
So, a "trans-french" porn video tag would be indicating a scene that features a transgender individual or individuals with French nationality or speaking French. This could involve a French trans woman engaging in sexual activities or a scenario where French language is used during the scene involving trans individuals._