ثوأ4 أَثَأْتُهُ بِسَهْمٍ, (S in art. ثأ, [incorrectly there mentioned, as is said by IB and others and in the K,] and K in the present art. and in art. اثأ,) inf. n. إِثَآءَةٌ, (S,) I shot him, or shot at him, with an arrow; (S, K;) so says AA, and Ks says the like; (S;) as also أَثَوْتُهُ, and, accord. to As, أَثَيْتُهُ, (TA in art. ثأ,) which is a strange word. (TA in the present art.) It is mentioned in the present art. by Sgh; (K in art. اثأ;) and this is its proper place; (TA in the present art.;) the verb, accord. to him, being like أَقَامَ: (TA in art. اثأ:) A 'Obeyd has mentioned it in art. اثأ, (K in that art.,) as also Az; holding the verb to be like صَنَعَ; and so IKtt and IKoot assert it to be. (TA.) ثَآءٌ The name of the letter ث, q. v.; as also ثَا: pl. [of the former,] ثَآءَاتٌ; and [of the latter,] أَثْوَآءٌ and أَثْيَآءٌ. (TA in باب الالف الليّنة.) A2: It also stands for ثَنَآءٌ, and ثَوَابٌ, and the like. (Idem ubi suprà.) A3:  Also The best of anything; as, for instance, of wheat, and of flesh-meat, and of sugar. (Kh, TA ubi suprà.) ثَائِىٌّ and ثَاوِىٌّ rel. ns. of ثَآءٌ and ثَا, the names of the letter ث; as also ثَيَوِىٌّ. (TA ubi suprà.)