“The etheric body, ether-body, æther body, a name given by neo-Theosophy to a vital body or subtle body propounded in esoteric philosophies as the first or lowest layer in the “human energy field” or aura. It is said to be in immediate contact with the physical body, to sustain it and connect it with “higher” bodies.”
This lady has a simple explanation of the meaning of Chakras learned through Yoga.
Chakras are energy fields we just need to believe in and openly acknowledge and care for. The word chakra is an Indian Sanskrit word meaning wheel or disk which is symbolic reference to the energy fields within the human body. The video below gives a simple introduction to the understanding of chakras.