From Wiktionary, the free dictionary
إِيَّاهُ • (ʔiyyāhu) m
- him, it (third person masculine singular object pronoun)
609–632 CE, Qur'an, 17:67:وَإِذَا مَسَّكُمُ الضُّرُّ فِي الْبَحْرِ ضَلَّ مَن تَدْعُونَ إِلَّا إِيَّاهُ- waʔiḏā massakumu ḍ-ḍurru fī l-baḥri ḍalla man tadʕūna ʔillā ʔiyyāhu
- And when adversity touches you at sea, lost are [all] those you invoke except for Him.