συντραγῳδέω

τινι
A. help, or join in, a solemn piece of acting, Luc. Alex. 12: c. acc. cogn., ς. τὴν ἱκεσίαν Plu. Them. 24, cf. Nic. 5.
II. play in accordance with, τινι Id. 2.771a (Pass.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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