Then the question would be, a typo for what? Given that scholars have been studying this word for 1600 and coming up with various theories, if a typo was a plau

Then the question would be, a typo for what? Given that scholars have been studying this word for 1600 and coming up with various theories, if a typo was a plausible theory, they would have already thought of that. Scholars do some pretty intense analysis of this stuff. See for example https://en.wikipedia.org/wiki/Papyrus_75 https://en.wikipedia.org/wiki/Papyrus_75 about how differences between different scrolls are tracked.