What is the meaning of جزء?
component, constituent
division
fraction
section, segment
part, piece, portion
juz’ (thirtieth part of the Qur'an, the prescribed amount to be read each day of the month of Ramadan)
Jawi spelling of juz.
part, portion, piece
installment, fascicle
atom (indivisible part)
juz' (thirtieth of Koran)
part, piece
Source: wiktionary.org