From Proto-Tai *ʑaːjᴬ (“male”). Cognate with Thai ชาย (chaai), Northern Thai ᨩᩣ᩠ᨿ, Lao ຊາຍ (sāi), Shan ၸၢႆး (tsáai), Tai Nüa ᥓᥣᥭᥰ (tsäay), Ahom 𑜋𑜩 (chay), Zhuang sai.
ᦋᦻ • (tsaay)