تحكّم فِيهِ

He did [or decided] according to his own judgment, or did what he judged fit, respecting it, or in it: (Msb:) or he had authority to judge, give judgment, pass sentence, or decide judicially, respecting it; (K, TA;) as also فيه ↓ احتكم: (S, K:) each is quasi-pass. of حَكَّمَهُ; the former regular, and the latter irregular: (TA:) or the former signifies he pretended to have authority to judge, &c. (KL.) You say, عَلَىَّ ↓ احتكم فِى مَالِى He had authority over me to judge, &c., respecting my property. (S.)

See also 2.