Adds p6y to glossary

Author: JJ

doc/Language/glossary.pod6

@@ -813,6 +813,10 @@ X<|pugs>
 
 L<pugs|https://en.wikipedia.org/wiki/Pugs> was one of the first interpreters/compilers written for Perl 6. It was written in Haskell by Audrey Tang.
 
+=head1 p6y
+
+Retronym for the "Perl 6 way" of doing things, as in idiomatic expressions or definitions. First known use with this meaning by L<sorear in the C<#perl6> IRC channel in 2010|https://irclog.perlgeek.de/perl6/2010-03-12#i_2093739>.
+
 =head1 QAST
 X<|QAST>