The shell bone script of the character Owe is
A kneeling down man opens his big mouth, he is yawning. The original meaning of the character is Yawn. People yawn when they are insufficient of oxygen, or they owe oxygen to their body. Gradually the character means Owe but still keeps the Yawn.
The big seal script of the character is
similar to shell bone script, the top is a head with a big mouth, the bottom is a character Person.
The small seal script of the character is
The top right now is character Gas or Air, meaning the exhaled gas from mouth, the bottom is character Person.
The clerical script of the character is