See the entire entry for ḥṭṭ vb. to dig out

AphDem14.286:22 :ܕܚܛܝܢ ܫܬܐܣܬܐ ܘܡܓܠܝܢ ܬܡܣܘܬܐ : who lay the foundation and uncover decay

See the entire entry for tamsū, tamsūṯā n.f. pus