What is the prefix for technical?

There isn't a single, universally accepted prefix for "technical." However, depending on the context, you could use a few different options:

* Tech-: This is the most common prefix, used in words like "technology," "technician," and "technological."

* Techno-: This prefix is often used to indicate something related to technology or advanced technology, like "techno-wizard" or "techno-economic."

* Tele-: This prefix implies communication or remote operation, and is often used in conjunction with "technical," like "tele-technical" or "tele-technical support."

Ultimately, the best prefix to use depends on the specific meaning you want to convey.