LSt.155:16 :ܘܡܪܚܘܬܐ ܒܡܠܐ̈ ܘܬܚܘܒܘܬܐ ܒܥܒ̈ܕܐ‏ : boldness of speech (along with) weakness of accomplishments
See the entire entry for tāḥōḇū, tāḥōḇūṯā n.f. weakness, debility