H6751–צָלַל–tsa.lal

And it came to pass, that, when the gates of Jerusalem began to be dark before the sabbath, I commanded that the gates should be shut, and charged that they should not be opened till after the sabbath: and I set some of my servants at the gates, that there should no burden be brought in on the sabbath day.

צָֽלֲלוּ֩ tza.la.Lu “they became dark”

Behold, the Assyrian was a cedar in Lebanon with fair branches, and with a shady cover, and of a high stature; and his top was among the thick boughs.

מֵצַ֖ל me.Tzal “giving shade”