Austronesia 1 by RossC

Question 3

The most widely spoken Austronesian language is known in Malaysia as "Malay", and known in Indonesia as "Indonesian". Well, kind of. What six-letter word (derived from a totally non-Austronesian word for "language") do both countries share in the actual native names for "Malay" and "Indonesian"?

BAHASA (Bahasa Melayu, Bahasa Indonesia)