ي • ق • ن
يَقِنَهُ
, (S, Msb, K,) and يَقِنَ بِهِ; (Msb;) and ↓
أَيْقَنَهُ, (S, K,) and بِهِ ↓
ايقن; (K;) and ↓
تَيَقَّنَهُ; and ↓
اِسْتَيْقَنَهُ, (S, Msb, K,) and ↓
استيقن
بِهِ; (K;) all signify the same; (S;) He knew it; he was, or became, certain, or sure, or he made sure, of it; syn. عَلِمَهُ; (Msb, K;) intuitively, and inferentially; (Msb;) [see 1 in art. علم;] and تَحَقَقَّهُ. (K.)
يَقِينٌ
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.