استثناهُ

He set it aside as excluded; or he excluded it, or excepted it; مِنْ شَىْءٍ from a thing; synonym حَاشَاهُ: (M:) or he set it aside, or apart, for himself: and in the conventional language of the grammarians, [he excepted it; i. e.] he excluded it from the predicament in which another thing was included, or in which other things were included: (Mgh:) الاِسْتِثْنَاءُ [in grammar] is the turning away the agent from reaching the object of the اِسْتِثْنَاء: (Msb:) in the case of an oath [and the like], it means the saying إِنْ شَاءَ اللّٰهُ [If God will]. (Mgh.) [See ثُنْيَا.]