What is Hermos?

Answer 1

HERMOS was a River-God of Lydia in Anatolia (modern Turkey).

http://www.theoi.com/Potamos/PotamosHermos.html

The Greek name was Hermos. Remember Greek uses different letters, so it is sometimes transliterated thus:
Hermus

There is also by a river by that name mentioned in the above website.

(And there's some Arab meaning I did not research.)

Answer 2

Name is likely to be a corruption of Helmos, a mountain known today as Aroania in modern Greece. Another possibility is that Hermos is a corruption of "Hermocrates", another Greek philosopher mentioned in the two Socratic dialogues by Plato :
Eye of Timaeus and Fang of Critias

Answer 3

It is an internet system. Try www.hermos.com.