Kays 193:12 :ܘܟܠ ܬܪܝܢܝܬܐ ܚܕܐ ܠܬܠܝܬ̈ܝ݁ܬܐ ܐܫܬܝܢ‏ : every single second (is divided) into 60 tertiae
See the entire entry for tlīṯāyā, tlīṯāytā n.f. third part

Kays 193:12 :ܘܟܠ ܬܪܝܢܝܬܐ ܚܕܐ ܠܬܠܝܬ̈ܝ݁ܬܐ ܐܫܬܝܢ‏ : every single second (is divided) into 60 tertiae
See the entire entry for trayyānī, trayyānīṯā n.f. second