Pyrrha (or Pyra) also has a meaning:I actually quite like this. The new system will be a lot like the old one but with slight changes. Most of which you can't see.Was mentioned already (by me).ECHO f Greek Mythology
Means "echo" from the word for the repeating reflected sound, which derives from Greek ηχη (eche) "sound"
Certainly better than the other options. At least it has a meaning
In Greek mythology, Pyrrha (Greek: Πύρρα) was the daughter of Epimetheus and Pandora and wife of Deucalion.
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In Latin the word pyrrhus means red from the Greek adjective πυρρός, purrhos, i.e. "flame coloured", "the colour of fire" or simply "red" or "reddish".[1] Pyrrha was evidently named after her red hair. Horace (Ode, i. 5) and Ovid describes her as red haired.
The daughter of Pandora, whose name is related to fire (-breathing dragons). What more do you want?