On-hupian

According to the Old English Dictionary:

on-hupian

to draw back, recoil:--Ðonne ðæt mód ongit hine selfne on swelcne spild forlǽd ðonne wiðtremþ hé and onhupaþ and ondrǽthim ðæt ðæt hé ǽr lufode dum mens sese in praecipitium pervenisse deprehendit, gressum post terga revocet, pertimescens quae amaverat, Past. 58, 2; Swt. 441, 28. [Cf. Icel. hopa aptr, á hæl, undan to draw back.] on-hupian