From Wikepedia: The word soup originates from "sop", a dish originally consisting of a soup or thick stew which was soaked up with pieces of bread. The modern meaning of sop has been limited to just the bread intended to be dipped.
The origin of this word is Greek. "Halogen" is of Greek origin. The Latin word "Halo", ΑΧΛΥΣ in ancient Greek, ΑΧΤΙΣ / ΑΚΤΙΣ*/ ΑΧΤΙΔΑ / ΑΚΤΙΝΑ*/ ΑΧΛΑΔΑ in modern...