संस्‍कृतशब्‍दकोशः

आततायिन्

अत्याचारी‚ जो हर घड़ी धनुष् चढ़ाये रहता है

person who has his bow drawn, who endeavours to kill somebody, a murderer, and in later texts anyone committing a serious crime

Monier–Williams

आततायिन् — {ātatāyín} mfn. having one's bow drawn xvi, 18##'one whose bow is drawn to take another's life, endeavouring to kill some one, a murderer viii, 350 seq. &c. (in later texts also incendiaries, ravishers, thieves &c. are reckoned among {ātatāyinas})