جَهَنَّمُ [Hell; or Hell-fire;] (T, Ṣ, Ḳ, &c.;) a name of the fire with which God will punish, (T, Ṣ,) in the life to come, (T,) his [disobedient and unrepentant and unbelieving] servants; (Ṣ;) a proper name of the abode of punishment: (Bḍ, ii. 202:) a word rendered quasi-coordinate to the quinqueliteral-radical class by the doubling of the third letter: (Ṣ:) accord. to some, it is an Arabic word, applied to the fire of the world to come because of its depth; [see the last paragraph;] (T, TA;) or originally syn. with النَّارُ [fire, or the fire]; (Bḍ in ii. 202;) and imperfectly decl. because determinate and of the fem. gender: (T, Ṣ:) accord. to others, it is an arabicized word, (T, Ṣ, Bḍ ubi suprà,) imperfectly decl. because determinate and of foreign origin; (T, TA;) some say, originally Persian; (Ṣ;) others, from the Hebrew كهنام, (TA,) [or as Golius says, גֵּיאהִנּׄם “the Valley of Hinnom,” where children were burned alive as sacrifices to the idol Moloch.]

See also جِهِنَّامٌ.

[Of, or relating to, جَهَنَّم, i. e. Hell, or Hell-fire.]

جِهِنَّامٌ (Ṣ, Ḳ, Ḥam p. 817) and [جَهِنَّامٌ and جُهِنَّامٌ], with each of the three vowels (Ḳ, TA) to the ج (TA,) [but accord. to the Ḳ it would rather seem to be جَهَنَّامٌ and جُهُنَّامٌ,] andجَهَنَّمٌ↓, (Ḳ,) applied to a well (رَكِيَّةٌ, Ṣ, Ḳ, or بِئْرٌ, Ḥam), Deep; (Ṣ, Ḳ, Ḥam;) in which he who falls into it perishes. (Ḥam.)