τυμπανισμός
From LSJ
Οὐ χρὴ φέρειν τὰ πρόσθεν ἐν μνήμῃ κακά → Mala pristina haud oportet ferre in memoria → Du darfst nicht im Gedächtnis tragen früheres Leid
English (LSJ)
ὁ,
A beating of drums, drumming, as the Galli did in the worship of Cybele, Ar.Lys.388; in the Dionysus-cult, Str.15.1.8; as a superstitious practice, in pl., Plu.2.171b,338c.