Herb. Obs. [OE. átor-, attorláðe, f. ATTER sb. + láð hostile.] An antidote to poison, an alexipharmic. Applied spec. to several different plants: see quot.
c. 1000. Sax. Leechd., I. 148. Ðeos wyrt þe man galli crus, & oðrum naman attorlaðe nemneð.
c. 1000. Ælfric, Gloss., in Wright, Voc. (W.), /133. Venenifuga, atterlaðe.
c. 1050. Gloss., ibid. /358. Bettonica, aterlaðe.
a. 1230. Ancr. R., 274. Gif hit to swuð swelle drinc þeonne atterloðe.
c. 1250. Voc. Plants, in Wright, Voc., /558. Morella, atterloþe.