nút

Etymology
From, a nasal infixed form of (whence ).

Noun

 * 1) knot
 * 2)  bung; stopper; cork
 * 3)  button
 * 4)  button; key
 * 5)  button
 * 6)  button
 * 1)  button

Etymology
From, from.

Noun

 * 1) nut