"Et cetera" is a Latin phrase that is often abbreviated as "etc." It translates to "and other things" or "and so forth." It typically implies an unspecified number of additional items or entities.
In terms of its part of speech, "et cetera" functions as a noun phrase. Therefore, it can be categorized as a noun.
If you're asking about "trada," it seems there might be a typo or misunderstanding, as "trada" does not appear to relate to "et cetera" or have any specific meaning in English or Latin. If you meant to refer to a different term or concept, please clarify!