From Proto-Tai *roːjꟲ (“hundred”). Cognate with Thai ร้อย (rɔ́ɔi), Isan ฮ่อย, Lao ຮ້ອຍ (hǭi), Lü ᦣᦾᧉ (hoay²), Shan လွႆႉ (lâ̰ui).
ꪭ꫁ꪮꪥ (ꞌhọi)