The word "Xi" means bright and bright. It's obviously a fire.
"pure" belongs to wood
The word "pure" comes from (mi) and from Tun. "Crash" refers to silk thread. "Tun" means "curl" and "package". The combination of "Zhen" and "Tun" means "after the silk dyeing process is completed, the same batch of dyed silk threads will be packaged". Original meaning: same color silk thread. And the wood of the hexagrams is the rope. The original meaning of rope is made of silk and hemp. So "pure" is wood.
The attributes of the five elements are judged according to their meanings and the characteristics of the eight diagrams and five elements.
It is not advisable to simply calculate strokes without considering their meaning.