Be-styrman

According to the Old English Dictionary:

be-styrman

p. de; pp. ed To BESTORM, storm, agitate; flatibus agere, agitare :-- Ðonne hit bestyrmaþ ðisse worulde ungeþwǽrnessa quando ipsam agitant hujus mundi inquietudines, Bt. 3, 2; Fox 6, 8. DER. styrman. be-styrman