八度

octave

eight; 8

to pass / to spend (time) / measure / limit / extent / degree of intensity / degree (angles, temperature etc) / kilowatt-hour / classifier for events and occurrences

to estimate / Taiwan pr. [duo4]

an octave lower (music)

an octave higher (music)

38th parallel / dividing line agreed at Yalta between US and Soviet zones of influence in Korea, now the DMZ between North and South Korea