قَاسَ الشَّىْءَ بِغَيْرهِ
1.
, and عَلَى غَيْرِهِ, aorist يَقُوسُهُ, verbal noun قَوْسٌ (S, K *) and قِيَاسٌ, (S,) i. q.
قَاسَهُ, aorist يَقِيسُهُ, verbal noun قَيْسٌ (S, K *) and قِيَاسٌ; (S;) i. e., He measured the thing by another thing like it; [both in the proper sense and mentally; but the latter verb is the more common, though the former, according to the JK, is the original;] (S, TA;) and so الشَّىْءَ بِغَيْرِهِ
اقتاس: (S, K: *) but you should not say
أَقَسْتُهُ for قُسْتُهُ or قِسْتُهُ. (S.)
2.
قَوِسَ: see 5.