Trisect

Chamber's Twientieth Century Dictionary · 1908 · p. 113
trī-sekt′, v.t. to cut or divide into three equal parts.— n. Trisec′tion , the division of anything, as an angle, into three equal parts. [L. tri , thrice, secāre , sectum , to cut.]
Readham'da tam maddeyi gor →