Core sense — sure, certain and clear; sure knowledge, certaintygenerated
1
Of the measure فَعِيلٌ in the sense of the measure فَاعِلٌ, meaning sure, or certain, and manifest.
1.1
Also knowledge, or certainty, instinctive and inferential. [See ظَنٌّ]
1.2
عَيْنُ اليَقِينِ: see عَيْنٌ, latter part.
1.3
الحقُّ اليَقِينُ and حَقُّ اليَقِينِ: see جَامِعٌ, where the two words are said to have the same meaning.
Bd and Jel on 56:95; in the latter of these, اليقين in حَقُّ اليَقِينِ is expressly said to be an adjective. See also Ham, p. 335.
Lane cites “Jel in lvi. 95” — a commentary, not the verse; no modern number is given
Qur’ānic occurrences يَقِين 4 shown of 8
56:95
إِنَّ هَـٰذَا لَهُوَ حَقُّ ٱلْيَقِينِVerily, this is the Very Truth and Certainly.
69:51
وَإِنَّهُۥ لَحَقُّ ٱلْيَقِينِBut verily it is Truth of assured certainty.
74:47
حَتَّىٰٓ أَتَىٰنَا ٱلْيَقِينُ"Until there came to us (the Hour) that is certain."
102:7
ثُمَّ لَتَرَوُنَّهَا عَيْنَ ٱلْيَقِينِAgain, ye shall see it with certainty of sight!
Occurrences of this form in the Qur’ān, not Lane’s choice of verse. They show the word in use; they do not say which sense above applies. Where more occur than are shown, the shortest āyāt are chosen.
Show Lane's original text
is of the measure فَعِيلٌ in the sense of the measure فَاعِلٌ , signifying Sure, or certain, and manifest. (Msb.) And knowledge, or certainty; [see ظَنٌّ ;] instinctive and inferential. (Msb.) عَيْنُ اليَقِينِ : see عَيْنٌ (latter part). الحقُّ اليَقِينُ and حَقُّ اليَقِينِ : see جَامِعٌ ; where the two words are said to have the same meaning: and Bd and Jel in lvi. 95; in the latter of which, اليقين in حَقُّ اليَقِينِ is expressly said to be an epithet: see also Ham, p. 335.