The word persona is an excellent expression, for originally it meant the mask once worn by actors to indicate the role in which each appeared on the scene. If we endeavour to draw a precise distinction between the personal and the impersonal elements, it is not long before we find ourselves in the greatest confusion, for by definition we have to say of the contents of the personality what we have said of the personal unconscious, namely, that it is collective, and we cannot ascribe individuality to anything except the mere limits of the person and that only in a restricted sense. Only the fact that the persona is a segment more or less arbitrarily cut off from the collective psyche can explain why we are in danger of taking it, altogether wrongly, for something individual; for, as its name implies, it is nothing but a mask for the collective psyche: a mask which simulates individuality, pretending to others and to itself that it is individual, while it simply plays a part in which the collective psyche speaks.
— Carl Gustav Jung
Jung's etymology does real work here. The Latin *persona* carried sound before it carried meaning — the mask resonated, per-sona, the voice passing through. Actors wore it so the audience could hear a role from a distance. What Jung notices, and what should give us pause, is that the mask does not only face outward. It pretends to its wearer. The persona simulates individuality so convincingly that the person living behind it mistakes the costume for the face.
The unsettling claim is ontological, not merely psychological: what we take to be the most intimate terrain — our social self, our habits of presentation, our characteristic ways of being seen — is largely collective psyche wearing personal clothing. Cut it away and you do not find the individual underneath; you find more collectivity, different in texture but the same in kind. The genuine particular, if there is one, lies somewhere further in, past the limit of what the persona can reach or represent.
This is why the confrontation with the persona is rarely a comfort. It does not reveal a truer, richer self waiting beneath — it reveals how much of what felt like self was borrowed grammar, inherited staging, a role the collective psyche had already written before the actor arrived to play it.
Carl Gustav Jung·Two Essays on Analytical Psychology·1953