ن ك ص

نَكَصَ عَنِ الأَمْرِ , (A, K,) [aor. نَكِصَ , and sometimes نَكُصَ , as will be shown below,] inf. n. نُكُوصٌ (S, IF, A, Msb, K) and نَكُصٌ (A, K) and مَنْكَصٌ (K) and نَكَصَانٌ , (MA,) He receded, retired, or drew back from the thing, or affair, refrained, forbore, abstained, or desisted, from it; recoiled from it, shrank from it, or drew back from it in awe or fear; (S, IF, A, Msb, K;) as also نَكَثَ عَنْهُ . (Aboo-Turáb, TA.) You say also, نَكَصَ عَلَى عَقِبَيْهِ , (S, Msb, K,) or على عَقِبِهِ , (A,) aor. نَكُصَ (S, Msb) and نَكِصَ , (S,) or the latter only, (Sgh, TA,) or the former is allowable, (Zj, TA,) He turned back from a thing to which he had applied himself; (IDrd, S, * A, * Msb, * K, TA;) meaning a good thing; and sometimes an evil thing; (IDrd, TA;) or meaning particularly a good thing; or extr. with respect to an evil thing. (K.) [See the Kur, xxiii. 68.] Hence ↓ انتكص [as syn. with نكص ], though we have not heard it. (Mgh.)