Satchel

google

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Middle English: from Old French sachel, from Latin saccellus ‘small bag’.

wiktionary

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First recorded circa 1340 as Middle English sachel, from Old French sachel, from Late Latin saccellum(“money bag, purse”), a diminutive of Latin sacculus, itself a diminutive of saccus(“bag”). See sack.

etymonline

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satchel (n.)

"small bag," mid-14c., from Old French sachel, from Late Latin saccellum "money bag, purse," diminutive of Latin sacculus, diminutive of saccus "bag" (see sack (n.1)).