noun, masculine/nawaˈtlato/plural: nahuatlatos
a person who spoke Nahuatl and Spanish and could serve as an interpreter; a person who speaks, studies or translates Nahuatl
“1539, Inquisitorial trial of the cacique of Tetzcoco mi Procurador ha dado la memoria de los testigos al naguatato” — my attorney has given the witnesses' recollections to the interpreter
Borrowed from Classical Nahuatl nāhuatlahtoh.