Note the note — E. ADAM, Ph.D. (continued 3)
Reading edition
p. 9, l. 237. Hys browys wexe bla, i.e. he turned pale, he was struck with fear; cf. bloo askes, P. Pl., l. 1553, and the German aschfahl. Quite a similar expression occurs in Perceval, l. 687 f.: