사십 (四十) -- forty.

This is the Sino-Korean form of the pure-Korean word 마흔. It is preceded by the number 삼십구 and followed by 사십일. When counting by tens, it is preceded by the number 삼십 and followed by 오십.

[edit] Usage

• 제40 the fortieth
• 40대의 부부 a couple in their forties

[edit] Proverbs

• 사십에 첫 버선 (wearing) socks for the first time at forty (doing something for the first time late in life)

[edit] See also

• Counting in Korean
• 마흔