nimesa

nimeṣa-ādiḥ beginning with minute parts of time; SB 10.3.26
kṣaṇa-lava-nimeṣa the kṣaṇa, lava and nimeṣa (the smallest fractions of time); SB 12.6.67
nimeṣa a blink; CC Adi 4.151
nimeṣa-ardha half a moment; Bs 5.56