We are alive because of energy, and everything that we experience in our collective reality is energy. The word comes from and is related to the green singularity in the center of the torus field that underlies the basic structure of this realm.
(g-r-e-e-n -> e-n-e-r-g-y [Ancient greek: En – “within”; ergon – “work” -> en-ergon – “internal work”. An anagram of ergon is “gre,” thus provides the “g-r-e” of “green,” followed by “en”, or “GREEN” altogether.]) The TRUE etymology of words is a field that won’t be covered here, but is worth studying, because language is more than what we think it is.