Tiriaca

According to the Old English Dictionary:

an;

tiriaca

m. A medicine, properly an antidote for poison, cf. tiriaca drenc wyð áttre, Wrt. Voc. i. 20, 20:--Tyriaca is gód drenc wiþ eallum innoðtýdernessum, and se man se ðe hine swá begǽþ swá hit hér on segþ, ðonne mæg hé him miclum gehelpan . . . Nime áne lylte snǽd ðæs tyriacan, Lchdm. ii. 288, 23-290, 3. [Low Latin tiriaca from Latin theriaca. In Mid. E. triacle=a sovereign remedy is common, see Skeat's note on Piers P. C. ii. 147.] tiriaca