From kacah; a covering, i.e. Weather-boarding -- covering.
see HEBREW kacah
H4372. mikseh
מִכְסֶה noun [masculine] covering; — ׳מ Exodus 26:14; 36:19; construct מִכְסֵה Genesis 8:13 10t.; suffix מִכְסֵהוּ Exodus 35:11 2t.; —
1 covering of the ark, deck-roof (ᵐ5 στέγη) Genesis 8:13 (J).
2 of the skins of the tent of meeting Exodus 26:14 (twice in verse); 35:11; 36:19 (twice in verse); 39:34 (twice in verse); 40:19; Numbers 3:25; 4:8, 10, 11, 12, 25 (twice in verse) (all P).