"Let them have their silly names for things. They are going to die soon. Let's not confuse them with new words. The air is thin up there, you know."
Hobbits, anyone? *shrugs* probably along the same lines as the word drow around here anyway...
...halfling may just be spitting out the word for what halflings call themselves, because the word 'halfling' does not actually exist in their language.