Accius
Gellius, XX, 3: ‘Sicinnium’ . . . genus veteris saltationis fuit. Posuit hoc verbum L. Accius poeta in Pragmaticis appellarique ait—
sicinnistas nebuloso nomine;
credo propterea nebuloso quod sicinnium cur diceretur obscurum esset.
Annals
Dancing of obscure origin:
Gellius: The ‘sicinnium’ was once a kind of ancient dance. . . . Lucius Accius the poet used this word in his Principles for Playwrights and says ‘sicinnistae’ were called—
satyr-dancers of shady name;a
‘shady,’ I suppose, because the origin of the term ‘sicinnium’ was obscure.
DOI: 10.4159/DLCL.accius-principles_playwrights.1936