निष्कारण

Monier-Williams · niṣkāraṇa
kāraṇa mf(ā)n. causeless, unnecessary ‖ disinterested (as a friend) ‖ groundless, not proceeding from any cause &c ‖ (am and āt), ind. causelessly, without a reason or any special motive &c

Monier-Williams · niṣkāraṇa
niṣ-ḍkāraṇa n. taking off, killing