Dictionary Definition:
abhi-√śnath to pierce through, (Ved. Inf. abl. -śnáthaḥ [with abibhet, he was afraid] of being pierced through) RV. x, 138, 5
• (Gmn., combining abhi-śnáthaḥ with vájrāt, takes abhiśnáth as an adj. 'piercing through, killing')