German Sack, French sac, Italian sacco 'sack, bag' are borrowed from Ancient Greek σάκκος via Latin saccus. Greek σάκκος is itself a Semitic loanword, cf. Akkadian saqqu 'sack(cloth)', Hebrew שַׂק śaq 'sack(cloth)'.

📷: Rafal Rosol (2013) Frühe semitische Lehnwörter im Griechischen.