late 14c., "to advance (someone) to a higher grade or office," from L. promotus
, pp. of promovere
"move forward, advance," from pro-
"forward" + movere
"to move" (see move
). General sense of "to further the growth or progress of (anything)" is from 1510s. Promoter
"one who promotes" is from mid-15c.; financial sense of "one who leads in forming a company" is from 1876; sense of "one who organizes sporting or entertainment events" is attested from 1936.