Meaning

noun an enclosed space

noun a case or sheath especially a pollen sac or moss capsule

noun a member of the Algonquian people formerly living in Wisconsin in the Fox River valley and on the shores of Green Bay

originEtymology tree Ancient Greek σᾰ́κκος (sắkkos)bor. Latin saccus Old French sac French sacbor. English sac Borrowed from French sac. Doublet of saccus, sack, saco, and sakkos.

Etymology from Wiktionary, CC BY-SA 3.0