"loud noise of some duration, a resonant sound long continued," Old English dyne (n.), related to dynian (v.), from Proto-Germanic *duniz (source also of Old Norse dynr, Danish don, Middle Low German don "noise"), from PIE root *dwen- "to make noise" (source also of Sanskrit dhuni "roaring, a torrent").

"a continuous. low, indistinct noise," late 14c., verbal noun from murmur (v.).

"a sudden, sharp, loud noise," c. 1200, from clap (v.). Of thunder, late 14c. Meaning "sudden blow" is from c. 1400; meaning "noise made by slapping the palms of the hands together" is from 1590s.

1957, "make an electronic noise" (originally in reference to Sputnik), from bleep (n.); specific sense of "edit a sound over a word deemed unfit for broadcast" is from 1964. Related: Bleeped; bleeping. Bleeper "pager consisting of a mini radio receiver that announces reception of signals by emitting a bleeping noise" is from 1964.

late 14c., "make a low continuous noise; grumble, complain," from Old French murmurer "murmur, grouse, grumble" (12c.), from murmur "rumbling noise" (see murmur (n.)). Transitive sense of "say indistinctly" is from 1530s. Related: Murmured; murmuring.

"a continuous emission of soft, rapid sounds; the noise made in rustling," 1759, from rustle (v.).

1610s, from Latin sonorus "resounding," from sonor "sound, noise," from sonare "to sound, make a noise" (from PIE root *swen- "to sound"). Related: Sonorously; sonorousness. Earlier was sonouse (c. 1500), from Medieval Latin sonosus; sonourse "having a pleasing voice" (c. 1400), from sonor + -y (2).