外蒙古

• 夕(evening; crescent moon (pictographic))RADICAL
• 卜(divination; fortune-telling)PHONETIC

Evening outside divining fortunes under the moon — that's an external affair.

• 忄(heart; mind)RADICAL
• 蒙(cover; dim)PHONO-SEMANTIC

A mind covered and obscured in darkness becomes muddled and lacks clarity.

• 十(ten)ASSOCIATIVE
• 口(mouth; speech)RADICAL

Ten mouths passing word down through generations—that is something ancient.