Proto-Austric: *tVk
Meaning: to cut, sever, chop
Austroasiatic meaning: to tear
Proto-Austronesian: *Setek (also tektek; [*bǝṭak] split)
Austronesian meaning: cut, sever, chop
Proto-Thai: Kd *trak to break, be broken
References: Ben 241-242, Peiros 1998, 84.