Fortieth

1.

មួយភាគ៤០

1.

(next after 39th, 40th, one of 40 equal parts) ទី៤០

1.

One of forty equal parts into which one whole is divided; the quotient of a unit divided by forty; one next in order after the thirty-ninth.

1.

Following the thirty-ninth, or preceded by thirty-nine units, things, or parts.

2.

Constituting one of forty equal parts into which anything is divided.