anno He·gi·rae 
(hĭ-jīrē, hĕjər-ē)
(hĭ-jīrē, hĕjər-ē)adv. Abbr. AH or AH
In a specified year of the Islamic calendar.
[New Latin annō Hegirae, in the year of the Hegira : Latin annō, ablative of annus, year + New Latin Hegirae, genitive of Hegira, Hegira.]