θύλακος

Etymology
. Like, probably foreign. The suffix -ακ- points to origin. The word has also been compared with 🇨🇬, but this is only speculation.

Noun

 * 1) sack, bag, used especially to carry meal in
 * 2)  sack in which the eggs of the tunny are enveloped
 * 3)  loose trousers of Persians and other Orientals
 * 4) ball used for physical exercise