ايس

1 أَيِسَ مِنْهُ ذ , (S, M, Mgh, Msb, K,) aor. يَأْيَسُ (S, Msb, K) and يَأْيِسُ, (Msb,) inf. n. أَيَسٌ, (Msb,) or اـِيَاسٌ, (K,) or it has the same inf. n. as يَئِسَ, namely يَأْسٌ, (S,) with which ↓ اـِيَاسٌ is syn., (Mgh,) but this last is a contraction of اـِياآسٌ, of the measure اـِيعَاسٌ, as determined by Az, and is not an inf. n. of أَيِسَ as some think it to be, (Mgh, art. يئِس,) He despaired of it; syn. قنِط: (K:) a dial. var. of يَئِسَ: (ISk, S, TA:) or it is not so, but is formed by transposition from يَئِسَ, because it has no [proper] inf. n.; and اـِيَاسٌ, the proper name of a man, is not to be adduced in evidence, for it is of the measure فِعَالٌ from الأَوْسُ, “ the act of giving: ” (Preface to the M, quoted in the TA:) if it were a dial. var. of يَئِسَ, they would say اـِسْتُ for أَيِسْتُ: (M, TA:) and أُيِسَ, incorrectly written أُويسَ, also signifies the same. (Mgh.) -A2- أَيْسَ: see لَيْسَ.