It would sound like " ba jiao yu" which directly translates to 8-legged fish. Cuttlefish are called " Mo yu " meaning ink fish and squids are "you yu".
I had to much free time and started writing the characters in paint so here it is.
German: der Tintenfisch ('ink fish'), die Krake
Norwegian: et blekksprut ('ink-spitter')
Spanish: el pulpo
Italian: il polipo
French: la pieuvre
Latin and Greek: octopus (no kidding!)
Russian: osminog (a combination of the words 'eight legs')
Czech, Slovak and Bosnian: chobot nece ('trunk animal')
American Sign Language: make on 'o' shape with your right hand (four fingers curved, tips together with the tip of the thumb), rest your right thumb-knuckle on the back of your left hand, point your four left-hand fingers down and wiggle them.