Old English bydel "herald, messenger from an authority, preacher," from beodan "to proclaim" (see bid). Sense of "warrant officer, tipstaff" was in late Old English; that of "petty parish officer," which has given the job a bad reputation, is from 1590s. French bédeau (Old French bedel, 12c.) is a Germanic loan-word.
Beadle Bea·dle (bēd'l), George Wells. 1903-1989.
American biologist. He shared a 1958 Nobel Prize for discovering how genes transmit hereditary characteristics.