Hygeia became Hygiene, a source of health
(Greek Goddess [Hygeia, Hygea, Hygia, Hygieia], the source of the word hygiene)
Hygeia (also Hygea, Hygia, Hygieia) was the Greek goddess of health and she was worshiped in connection with Aesculapius. She was said to be one of his daughters [some writers say she was his wife]. Originally, she was the guardian of physical health and later became the goddess of mental health, as well. Eventually, she became a protectress against various kinds of danger, an attribute which she shared with Asculapius.
2. Cleanliness that promotes health and well being; especially, of a personal nature.
3. That department of knowledge or practice which relates to the maintenance of health; a system of principles or rules for preserving or promoting health; sanitary science.
2. A reference to health or its preservation.
3. Clean or free from disease-causing microorganisms.
4. Belonging or relating to hygiene; sanitary.
2. Someone who specializes in hygiene, or in a specific branch of hygiene, such as, a dental hygienist.