From Proto-Karen *k-sreᵀ (“horse”). Cognate with Western Pwo ကၥ့ၪ or ၥ့ၪ, Western Kayah ꤒꤢ꤬ꤞꤤ (tàthi). Compare Proto-Mon-Khmer *ʔseh (“horse”).
ကသ့ၣ် • (ka thaỳ)