From Middle Chinese 役 (MC ywek). Cognate with Isan เวียก, Khün ᩅ᩠ᨿᨠ, Lao ວຽກ (wīak), Lü ᦵᦞᧅ (vek), Vietnamese việc.
ꪫꪸꪀ (ꞌviạk)