riband (n.)

early 14c., riban, ribane, from Anglo-French rubain, Old French riban "a ribbon," variant of ruban (13c.), a word of unknown origin, possibly from a Germanic compound whose second element is related to band (n.1); compare Middle Dutch ringhband "necklace."

The modern spelling is from mid-16c. Originally a stripe in a material; the sense of "narrow woven band of some find material" for ornamental or other purposes is by 1520s. The word was extended to other long, thin, flexible strips by 1763; the meaning "ink-soaked strip wound on a spool for use on a typewriter" is by 1883. A a torn strip of anything (fabric, clouds, etc.) by 1820. As a verb, "adorn with ribbons," by 1716. Related: Ribboned. The custom of wearing colored ribbon loops on the lapel to declare support for some group perceived as suffering or oppressed began in 1991 with AIDS red ribbons.

"noise, what is heard, sensation produced through the ear," late 13c., soun, from Old French son "sound, musical note, voice," from Latin sonus "sound, a noise," from PIE *swon-o-, from root *swen- "to sound."

The unetymological -d was established c. 1350-1550 as part of a tendency to add -d- after -n-. Compare gender (n.), thunder (n.), jaundice (n.), spindle, kindred, riband, and, from French powder (n.), meddle, tender (adj.), remainder, dialectal rundel, rundle for runnel, etc. First record of sound barrier is from 1939. Sound check is from 1977; sound effect is 1909, originally live accompaniment 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]