Why aren't comments to my question being answered?

Question

At Consonants combined with an "h" and double consonants, I have been asking where do "valley" and "valle" come from, and no one has been replying.

Answer 1

First of all, you've tried to ping one of the users who wrote an answer with a comment on your question, but it doesn't work that way; see How do comment @replies work?. They did get a notification from this comment under their answer.

Second, please remember that we're volunteers here; we're not required to answer questions. The user has been online after the notification (you can see that in their profile) but they might have had little time.