- sound
- {{11}}sound (adj.) "uninjured," O.E. gesund "sound, safe, healthy," from P.Gmc. *sundas, from root *SWEN-TO- (Cf. swen-to-) (Cf. O.S. gisund, O.Fris. sund, Du. gezond, O.H.G. gisunt, Ger. gesund "healthy," source of the post-sneezing interjection GESUNDHEIT (Cf. gesundheit); also O.E. swið "strong," Goth. swinþs "strong," Ger. geschwind "fast, quick"), with connections in Indo-Iranian and Balto-Slavic. Meaning "financially solid or safe" is attested from c.1600; of sleep, "undisturbed," from 1540s. Sense of "holding accepted opinions" is from 1520s. Soundly "completely" is attested from 1570s.{{12}}sound (n.1) "noise," late 13c., soun, from O.Fr. son, from L. sonus "sound," from PIE *swonos, from root *swen- "to sound" (Cf. Skt. svanati "it sounds," svanah "sound, tone;" L. sonare "to sound;" O.Ir. senim "the playing of an instrument;" O.E. geswin "music, song," swinsian "to sing;" O.N. svanr, O.E. swan "swan," properly "the sounding bird"). The final -d was established c.1350-1550 as part of a tendency to add -d- after -n-. First record of sound barrier is from 1939. Sound check is from 1977; sound effects is 1909, originally live accompaniments to silent films.The experts of Victor ... will ... arrange for the synchronized orchestration and sound effects for this picture, in which airplane battles will have an important part. ["Exhibitor's Herald & Moving Picture World," April 28, 1928]{{12}}sound (n.2) "narrow channel of water," c.1300, from O.N. sund "a strait, swimming," cognate with O.E. sund "power of swimming, water, sea," both from P.Gmc. *swumto-, from root *swem- (see SWIM (Cf. swim) (v.)).{{13}}sound (v.1) early 13c., sounen "to be audible," from O.Fr. soner and directly from L. sonare, from sonus (see SOUND (Cf. sound) (n.1)). From late 14c. as "to produce sound" (on an instrument, etc.). Related: Sounded; sounding.{{14}}sound (v.2) "fathom, probe," mid-14c. (implied in sounding), from O.Fr. sonder, from sonde "sounding line," perhaps from a Germanic source (Cf. O.E. sund "water, sea;" see SOUND (Cf. sound) (n.2)).
Etymology dictionary. 2014.