From the same as Sekuw; a figure (carved on stone, the wall, or any object); figuratively, imagination -- conceit, image(-ry), picture, X wish.
see HEBREW Sekuw
H4906. maskith
מַשְׂכִּית noun feminine show-piece, figure, imagination; — absolute ׳מ Leviticus 26:1, **on ancient rock-carvings in Canaan compare Ghosn-el-HowieJBL xxiii (1904), 211 ff.; suffix מַשְׂכִּיתוֺ Ezekiel 8:12, מַשְׂכִּתוֺ Proverbs 18:11; plural construct מַשְׂכִיּוֺת 25:11; Psalm 73:7, suffix מַשְׂכִּיֹּתָם Numbers 33:52; —
1 show-piece, specifically carved figure, of idolatrous symbols, Numbers 33:52 (P; "" צַלְמֵי מַסֵּכֹתָם), מ ׳אֶבֶן Leviticus 26:1 ("" מַצֵּבָה etc.), מ ׳חַדְרֵי Ezekiel 8:12 ( >strike out Co); elsewhere ׳מ כֶּסֶף Proverbs 25:11 silver carvings.
2 imagination, conceit, Proverbs 18:11, ׳מ לֵבָב Psalm 73:7.