H6750 צלל tsâlalצלל
tsâlal
tsaw-lal'
A primitive root (rather identical with H6749 through the idea of vibration); to tinkle, that is, rattle together (as the ears in reddening with shame, or the teeth in chattering with fear)
KJV Usage: quiver, tingle.
H6751 צלל tsâlalצלל
tsâlal
tsaw-lal'
A primitive root (rather identical with H6749 through the idea of hovering over (compare H6754)); to shade, as twilight or an opaque object