Complex sentence: It comes from the Arabic word "wezr" (Arabic ِوِزر), which means "burden"; thus a "wazir" is literally someone who helps carry a burden, by helping the head of the state get the job done.
Split into simpler sentences: It comes from the Arabic word "wezr" (Arabic ِوِزر), which means "burden". Thus, a "wazir" is literally someone who helps carry a burden, by helping the head of the state get the job done.