The current definition of bebeodan is ‘to command’, of forbeodan ‘to forbid’.
There are two cases, however, where bebeodan translates Latin prohibere:
(1) In a manuscript of the eighth century, in the Old High German Glosses published by Steinmeyer and Sievers 1.26.9:
Arcentibus prohibentibus pipeotantem piuuariantem
(2) In the Old English version of the Benedictine Rule of the third decade of the eleventh century:
EETS 90.62.10:
from pam him pe beoϑbeboden he ne a quibus eum proibuerit non gedyrstlrece presumat