Meaning

noun a bag made of paper or plastic for holding customer's purchases

noun an enclosed space

noun the quantity contained in a sack

originFrom Middle English sak, sek, sach, zech (“bag, sackcloth”), from Old English sacc (“sack, bag”) and sæċċ (“sackcloth, sacking”); both from Proto-West Germanic *sakku, from late Proto-Germanic *sakkuz (“sack”), borrowed from Latin saccus (“large bag”), from Ancient Greek σάκκος (sákkos, “bag of coarse cloth”), from Semitic, possibly Phoenician or Hebrew. Cognate with Dutch zak, German Sack,…

Etymology from Wiktionary, CC BY-SA 3.0