Gyltig

According to the Old English Dictionary:

gyltig

adj. GUILTY, liable, bound; reus :-- Swá hwylc swá swereþ on ðære offrunge ðe ofer ðæt weofud ys, se ys gyltig quicumque juraverit in dono quod est super illud, debet, Mt. Kmbl. 23, 18. [A. R. Heo is gulti of the bestes deaðe, 58, 17: Chauc. gulty.] gyltig