multiectnico is incorrectly written and should be written as "40 multi-technical best 41 Politecnico; multiethnic." being its meaning:
It is again an error of fingering. There are two options: if they wanted to tell multi-technical, a t missed them, means that the person that we talk about is technical in various specialties ( Polytechnic ). If reference is made to an educational institution, is the one that taught technologies in different fields ( 41 Polytechnic Institute; There is also the option of trying to ask for multi-ethnic, is misspelled in this case because it would have left c. If so the question, multi-ethnic means that in a given territory there are many ethnicities, many communities of different origin and customs ( it is valid also for races or different communities within a same race ).