One's particular interest.
As in: "That isn't my bag, baby".
The Latin word meaning Bag is Saccus.
This is old Sixties slang. You don't say it as "your bag" - you say "NOT your bag" as in not the sort of thing you care for. If someone offers you some drugs (as people often did in the Sixties), you could say, "Sorry man, it's not my bag."
60's
The Hindi word "thaila" translates to "bag" or "sack" in English. It is commonly used to refer to a cloth or jute bag used for carrying items.
pack, pocket, attache, handbag, briefcase, purse
The root word "sac" means pouch or bag. It can be found in words like "sacred" (meaning set apart within a bag) or "sacrament" (a religious act involving a sacred bag or container).
Budget. The 'bougette' was in fact a small purse for coins.
The boy carried a capacious(meaning : of large capacity) bag.
ignorant. stupid douche bag
The word belly stems from Old English belg, bylgor bælg(depending on dialect) meaning bag.
Box, bag, canister, tongs, container, bin, trunk...
Box, bag, canister, tongs, container, bin, trunk...