Question: is tumult a yiddish word?
Answer: The connection to AMUSE/AMUSEMENT, it seems, is the Yiddish TUMLER / TUMMLER, funmaker, clown, etc. of #2 & 3 above, with its probable association to TUML / TUMMEL. Also, there is the interesting possible relationship to the English TUMULT: 'clamor, noise, uproar, commotion, hullabaloo, . . .'