That doesn't make any sense. If Harry didn't think he knew the word in English, he wouldn't start 'It is called...' and then break off as the Parseltongue word comes to mind and he doesn't have to lapse back into English. He would say something like 'I'm not sure what exactly the ritual is called -'
If you just use the raw word Horcrux without explanation, persnickety readers will concoct elaborate theories about Harry researching Horcruxes off-camera.
Yes, elaborate theories based on Harry doing what he said he would do in chapter 86:
Harry mentally noted down the word 'horcrux' for future research
Hardly a stretch that he encountered a few hints in books and went 'oh, the dark ritual which confers immortality and something bad Moody thinks Voldemort made while he was alive are the same thing', even if he'd never read about Koschei the Deathless or D&D's liches.
One interpretation is that his language production module generated the sentence "It is called Horcrux", and his conscious mind, in the midst of him saying this sentence, became aware of the fact that he knows the Parseltongue word.
New chapter!
This is a new thread to discuss Eliezer Yudkowsky’s Harry Potter and the Methods of Rationality and anything related to it. This thread is intended for discussing chapter 102.
There is a site dedicated to the story at hpmor.com, which is now the place to go to find the authors notes and all sorts of other goodies. AdeleneDawner has kept an archive of Author’s Notes. (This goes up to the notes for chapter 76, and is now not updating. The authors notes from chapter 77 onwards are on hpmor.com.)
Spoiler Warning: this thread is full of spoilers. With few exceptions, spoilers for MOR and canon are fair game to post, without warning or rot13. More specifically: