Ah, yes. It seems retronym is a word, but the wrong one. From dictionary.com:

retronym, n.
A word or phrase created because an existing term that was once used alone needs to be distinguished from a term referring to a new development

Backronym is indeed the correct word here.

In reply to Re^3: Perl Etymology, a Recondite List by revdiablo
in thread Perl Etymology, a Recondite List by Old_Gray_Bear

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