Origin: 1350–1400;Middle English < Late Latinsusurrātiōn- (stem of susurrātiō), equivalent to susurrāt(us) (past participle of susurrāre; see susurrus, -ate1) + -iōn--ion
"whisper, murmur," c.1400, from L. susurrationem (nom. susurratio), from pp. of susurrare, from susurrus "murmur, whisper," a reduplication of the PIE imitative base *swer- (cf. Skt. svarati "sounds, resounds," Gk. syrinx "flute," L. surdus "dull, mute," O.C.S. svirati "to whistle," Lith. surmo "pipe,