From shacac; plunder -- booty, spoil.
see HEBREW shacac
H4933. meshissah
מְשִׁסָּה noun feminine booty, plunder; — absolute ׳מ 2 Kings 21:14 +, so Isaiah 42:24 Qr (מְשִׁסָּה Gi, מְשִׁיסָּה Baer; Kt משוסה, usually read מְשׁוּסָּה, < read מְשׁוֺסֶה, see שׁסה
Po`.); plural absolute מְשִׁסּוֺה Habakkuk 2:7; — plunder, spoil, prey, usually לִמ ׳הָיָה (and "" בַּז) 2 Kings 21:14; Jeremiah 30:16; Habakkuk 2:7; Zephaniah 1:13 ("" שְׁמָמָה), compare Isaiah 42:22 (42:24 see above).