In this Adventure in Etymology, we find connections between words for bottle, boot and butt in various languages.
Meanings of bottle [ˈbɔtɫ̩ / ˈbɑ.təl] include:
It comes from Middle English botel [ˈbutəl] (bottle, flask, wineskin), from Old French boteille [buˈteʎə] (bottle), from Late Latin butticula (bottle, flask), from buttis (cask, barrel), from Ancient Greek βοῦττῐς (boûttĭs – a type of vessel), perhaps from Proto-Indo-European *bʰeHw- (to swell, puff) [source].
Words from the same roots include boot, butt (cask, barrel), and butler in English, bottiglia (bottle) in Italian, botte (boot, oppression) in French, botija (jug, vessel) in Spanish, butoi (barrel, cask) in Romanian, buta (butt, cask, stock, stocky person) in Irish, and búča (pumpkin, squash, head) in Slovenian [source].
Words for bottle in Old English included: