Cognate with Khün ᩉ᩠ᨿᨠ, Lü ᦵᦠᧅᧈ (ḣek¹, “steel; terneplate”), Shan ႁဵၵ်ႇ (hàek), Tai Dam ꪬꪸꪀ, Ahom 𑜍𑜢𑜀𑜫 (rik, “lead”).
ᥞᥥᥐᥱ (hěk) (1963 orthography ᥞᥥᥐ̌)