We aren't told that in the book, but we know he can speak the Latin incantations of witchcraft and wizardry.
What is a person called who can speak more than one language?
More people speak Mandarin than any other language. More places speak English than any other language.
who?
You are bilingual if you can speak more than one language.
If you speak two languages, you are bilingual, if you speak three you are trilingual, and so forth. Polyglot
The official language of Romania is the Romanian language (mother language for more than 90 % of the inhabitants).
Multiple, as in you speak more than one language
My Family And I (or at least I have) have watched penguins of Madagascar many times and I think Mort does speak more than one language. (I'm not quite sure)
Actually most people in Europe, not just Switzerland, speak more than one language, in fact most countries in the world are that way. America is the weird one in that most Americans speak only one language.
Chinese has second greatest number of people who speak it, after English. (Note: While more people speak Chinese primarily than those who primarily speak English, more have English as a primary or secondary language than have Chinese as a primary or secondary language.)
Multilingual is the main one. Polyglot refers to someone who has mastered a number of languages.
Multiple, as in you speak more than one language