biographical name 763(or 766)-809 ~ ibn Muḥammad al-Mahdī ibn al-Manṣūr al-‘Abbāsī caliph of Baghdad (786-809)
HĀRŪN AR-RASHĪD
Meaning of HĀRŪN AR-RASHĪD in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012