Heb 12:21 :ܘܗܵܟܲܢܵܐ ܕܚܝ݂ܠ ܗܘܵܐ ܚܸܙܘܵܐ܃ ܕܡܘ݂ܫܸܐ ܐܸܡܲܪ܂ ܕܕܲܚܝ݂ܠ ܐܼܢܵܐ ܘܪܲܬܼܝܬ ܐܼܢܵܐ‏ : And so frightening was the sight that Moses said: I am afraid and tremble.
See the entire entry for dḥīl adj. terrible, frightening

Heb 12:21 :ܘܗܵܟܲܢܵܐ ܕܚܝ݂ܠ ܗܘܵܐ ܚܸܙܘܵܐ܃ ܕܡܘ݂ܫܸܐ ܐܸܡܲܪ܂ ܕܕܲܚܝ݂ܠ ܐܼܢܵܐ ܘܪܲܬܼܝܬ ܐܼܢܵܐ‏ : so frightening was the sight that Moses said: I am afraid and tremble.
See the entire entry for daḥḥīl adj. timid