From Proto-Mon-Khmer *t₁ac (“to break, be severed”); cognate with Muong tếch, Khmer ដាច់ (dac) and Koho tac. Compare also dứt.
đứt • (䋎, 坦, 縆, 𠛣, 𠝗, 𠞹, 𢯟, 𢴑)