From Proto-Tai *ɡrokᴰ (“mortar”). Cognate with Thai ครก (krók), Isan คก, Lao ຄົກ (khok), Northern Thai ᨣᩕᩫ᩠ᨠ, Khün ᨤᩫ᩠ᨠ, Lü ᦷᦆᧅ (xok), Shan ၶူၵ်ႉ (khṵ̂uk), Tai Dam ꪶꪋꪀ, Ahom 𑜁𑜤𑜀𑜫 (khuk).
ᥑᥨᥐ (xok) (1963 orthography ᥑᥨᥐ)