polyglot

US /ˈpɑː.li.ɡlɑːt/
UK /ˈpɑː.li.ɡlɑːt/
1.

người nói nhiều thứ tiếng

speaking or using several different languages:

:
She was reading a polyglot bible, with the text in English, Latin and Greek.
1.

người nói nhiều thứ tiếng

someone who can speak or use several different languages:

:
My professor is something of a polyglot - she speaks seven languages.