رصن

4 ارصنهُ ذ He made it, or rendered it, firm, stable, strong, solid, compact, or sound; (S, M, K;) as also ↓ رَصَنَهُ; namely, a thing. (TA.) You say, أُرْصِنَ البِنَاآءُ The building was made, or rendered, firm, stable, &c. (TA.) And اـِذَا عَمِلْتَ عَمَلًا فَأَرْصِنْهُ (tropical:) When thou doest a deed, do it soundly, thoroughly, skilfully, judiciously, or well. (TA.)