ステレオ
ステレオ · sutereo · JLPT N4 · noun
stereo
🔊🎧 su-te-re-o = English stereo with extra vowels: s(u)-t(e)-reo
A katakana loanword from English stereo. Japanese cannot stack consonants, so s and t each get a helper vowel: su-te-re-o. Say stereo slowly with a vowel after every consonant and you have the Japanese word.