According to the Homer's "Odyssey", what does a sneeze during the conversation mean?

A sneeze is an involuntary mechanism to clear the mouth and nose of dirt, allergens and irritants. Of course there are many medical conditions that cause multiple sneezes such as hayfever and allergies.

A sneeze travels at up to 100mph

I think we each have our own way of sneezing. Wish mine could have been more elegant!

Kiwozzie, also lack of veracity can swell mucus membranes. Usually just bothersome and people rub or touch their nose, but they can sneeze. One of the useful micro expressions!

Player #4831077, Bless you.

In some places India it’s a bad omen during rituals and probably means take care.