EphFid 7:6.9 :ܡ݁ܢ ܢܡܪܚ ܢܒܨܝܘܗܝ ܗܫܐ ܕܣܠ݂ܩ ܘܝܬܒ ܥܠ ܝܡܝܢܐ ܒܪܘܡܐ‏ : who would dare to investigate Him now that He has ascended and sat on high at the right hand?
See the entire entry for mrḥ vb. C to act boldly