nisitaih

niśitaiḥ — by sharp; SB 4.26.5
niśitaiḥ — very sharp; SB 8.10.42
niśitaiḥ — very sharp; SB 9.10.21
niśitaiḥ — sharp; SB 10.54.22
niśitaiḥ — sharp; SB 10.59.16
niśitaiḥ — sharp; SB 10.77.17-18