Animesh
From Sanskrit अनिमिष (animiṣa, “almighty, unblinking, vigilant”), the name of a Deva, also said of a fish, अ- (a, “not”) + निमिष (ni-miṣa, “twinkling,closing of the eye, moment”), in turn from निमिषति (nimiṣati, “shut one's eyes, wink, fall asleep”)