silicification

to silicificate

a tree; more specifically, a living tree / the bent and gnarled trunk or roots of an old tree / wood, lumber / something made of wood / in ancient China, a wooden musical instrument

part, portion / copy of a newspaper or book

(historical) jade tablet conferred upon princes as a symbol of authority

silicon

a fossil / petrifaction / (metaphor, insult) out-of-date person, thing

to fossilize

change into, transform

Alternative spelling of 木々