Amigo is already a spanish and portuguese word which means "friend".
Amigo
In Spanish, 'to a friend' is 'a un(a) amigo/a' (if that's what the question meant).
Bendiciones mi amigo (assuming it's a guy you're writing to).
amigo is spanish for friend amigos is spanish for friends
Amigo in Spanish is amico in Italian.
Tu amigo or su amigo
You could use "en casa de un amigo".
"Amigo" is Spanish for "friend".
"Adios amigo" is Spanish for "goodbye friend".
It is "mejor amigo" in Spanish. If you are speaking of a female, it is "mejor amiga".
"Amigo" is a Spanish word that means "friend" in English. It is often used to refer to a close or trusted companion.
The Spanish J sounds like the English H. So Jajaja is what you write in Spanish to indicate one is laughing. In English one would write Hahaha. Amigo means friend.