V. S. Apte, The Practical Sanskrit–English Dictionary. Look up any word of the Gita in Devanagari, IAST or Harvard-Kyoto, or browse the headwords letter by letter.
Entry अशत्रु
अशत्रुaśatrua.One who has no enemy.
One who has no enemy.
One whom no enemy defies or challenges.
Without opposition from foes. अशत्र्वर्यः समजाति वेदः Rv.5.2.12.