استحكم

He (a man) refrained from what would injure him in his religion and his worldly concerns. (Aboo-' Adnán, TA.)

Also quasipass. of أَحْكَمَهُ (S, Mgh, Msb, K) as signifying أَتْقَنَهُ; (Msb, K;) [It was, or became, firm, stable, strong, solid, compact, firmly and closely joined or knit together, sound, or free from defect or imperfection, by the exercise of skill; firmly, strongly, solidly, compactly, soundly, thoroughly, skilfully, judiciously, or well, made or constructed or constituted or established or settled or arranged or done or performed or executed: and, said of a quality or faculty &c., it was, or became, firm, strong, sound, free from defect or imperfection, established, or confirmed:] and, said of an affair, or a case, it was, or became, in a firm, solid, sound, or good, state, or on a firm, solid, sound, or good, footing; as also ↓ احتكم. (TA.)

استحكم عَلَيْهِ الأَمْرُ The thing, or affair, became confused and dubious to him; synonym اِلْتَبَسَ: so in the A. (TA. [But this seems to require confirmation.])