From Proto-Tai *ʔeːkᴰ, from Middle Chinese 軛 (MC 'eak). Cognate with Thai แอก (ɛ̀ɛk), Isan แอก, Lao ແອກ (ʼǣk), Lü ᦶᦀᧅ (˙ʼaek), Northern Thai ᩋᩯ᩠ᨠ, Khün ᩋᩯ᩠ᨠ, Tai Dam ꪵꪮꪀ, Tai Dón ꪵꪮꪀ, Shan ဢႅၵ်ႇ (ʼèk), Tai Nüa ᥟᥦᥐᥱ (ʼǎek), Zhuang ek.
𑜒𑜢𑜀𑜫 (ʼik)
