绿化
lùhuà · HSK 6
make green
🌳🏙️ green + change = turn a place green by planting trees
绿 means green and 化 means to transform or change. Together they literally mean to green-ify — the process of planting trees and vegetation to transform bare land or urban areas into green spaces.
绿 — silk radical 纟 + 录 (phonetic)
绿 is a phono-semantic compound. The silk radical 纟 (糸) signals the original sense of a dyed silk color, while 录 supplies the sound. It came to mean the green color produced by such dyes, and now refers to green in general.
化 — person 亻 + spoon/upside-down person 匕
化 is an associative compound showing a standing person 亻 next to 匕, originally a depiction of a person turned upside-down. Together they suggest a figure transforming from one state to another, giving the core meaning 'change' or 'transform'. The character later extended to senses like 'convert', 'influence', and the noun suffix '-ization'.