[z500]

What terminology should we be using? Old Chinese reconstructions on Wiktionary always look so wildly divergent to me.

[singularity2001]

Old Chinese reconstructions drive me crazy, or the fact that some scholars insist these are 99% correct instead of 'best guesses'

[earthboundkid]

They are pretty well founded. You can read old rhyme dictionaries and see how the words evolved eg when borrowed by Japan at one time and then when borrowed again a couple of hundred years later. We can’t ever know 100% but it’s not idle speculation either.