Why is the ninth month called September?
"give a name to," originally "make a knight," from late Old English dubbian "knight by striking with a sword" (11c.), a late word, perhaps borrowed from Old French aduber "equip with arms, adorn" (11c.) of uncertain origin, but there are phonetic difficulties. Meaning "provided with a name" is from 1590s. Related: Dubbed; dubbing.
"add or alter sound on film," 1929, shortening of double; so called because it involves re-recording voices onto a soundtrack. The type of re-mixed reggae music was so called from 1974, probably for the same reason. Related: Dubbed; dubbing.
: A flood of dub versions followednoun
A form of reggae music marked by weird, unexpected, and discontinuous sounds: The hypnotic weirdness of such music has helped make dub the most popular form of reggae
[1970s+; probably fr the electronic technique of dubbing, ''doubling,'' sound tracks]
[1920s+; fr double]
style of Jamaican popular music that had its genesis in the political turbulence of the late 1970s and became Jamaica's dominant music in the 1980s and '90s. Central to dancehall is the deejay, who raps, or "toasts," over a prerecorded rhythm track (bass guitar and drums), or "dub."