From qatsab; shape (as if cut out); base (as if there cut off) -- bottom, size.
see HEBREW qatsab
H7095. qetseb
קֶ֫צֶב noun masculine1 Kings 6:25
1 cut, shape;
2 extremity; —
1 ׳ק absolute, shape of cherubim 1 Kings 6:25 ( + מִדָּה), of bases 7:37 (+ id.).
2 extremity, plural construct הָרִים קִצְבֵי Jonah 2:7 the extremities (bottoms) of (the) mountains ( = הרים קצבי Ecclus 16:19).