disclaim
v.
c.1400, from Anglo-French disclaimer, Old French desclamer "disclaim, disavow," from des- (see dis-) + clamer "to call, cry out, claim" (see claim, v.). Related: Disclaimed; disclaiming.
〔李〕[dis-=to undo做相反之事；claim v. 要求，索取→“to undo that of claiming做与要求或索取相反的事”→] v. deny;disavow否认；抵赖