playlore en · NOUN
Etymology
From play + lore.
Meanings
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(uncountable) The lore associated with games played by children.
A particular challenge in twentieth-century Australia concerns the need to protect children's traditional playlore, to defend its value, and the time and space children need to practice their own culture.
2015, Jaipaul L. Roopnarine, Michael M. Patte, James E. Johnson, David Kuschner, International Perspectives on Children's Play, page 169: