起落架

• 走(run; go)RADICAL
• 己(self; body)PHONO-SEMANTIC

Standing up means moving your own two legs to walk.

• 艹(grass; plant)RADICAL
• 洛(Luo River (sound and meaning of falling into water))PHONO-SEMANTIC

Leaves falling from a tree like water flowing in a river expresses the meaning of the character for falling.

• 加(add; increase)PHONETIC
• 木(wood; tree)RADICAL

A wooden stand is added to stack objects higher.