A name that means something.
Z"Beautiful fragrant tree." Name carried by several women in the Prophet's family — his eldest daughter, one of his wives, and his granddaughter Zaynab bint Ali, heroine of Karbala.
Arabic root: z-n-b — ز-ن-ب, fragrant ornamental plant
"Zaynab" is the classical spelling; "Zainab" is the most common US spelling. Strong heroism association through Zaynab bint Ali.