正能量
zhèng néngliàng · HSK 7
positive energy
🔋 正 positive + 能量 energy; 能量 itself = 能 ability + 量 amount
A modern compound: 正 means upright or positive, and 能量 is the physics word for energy (能 capacity + 量 quantity). Together 正能量 names the upbeat, motivating vibe a person gives off.
正 — one 一 + stop 止
Originally an ideograph showing a foot (止) advancing toward a target line (一), meaning 'to march straight toward' a city or goal. From this came the senses 'upright,' 'correct,' and 'proper.' The military sense survives in 征 (to campaign), which took over the original 'march' meaning.
能 — 厶 (head) + 月 (body/flesh) + 匕匕 (legs)
Originally a pictograph of a bear, showing its head, body, and powerful legs. Because bears were seen as strong and capable, the character was borrowed to mean 'ability' or 'can'. A new character 熊 (with the fire radical 灬) was later created for 'bear'.
量 — top 旦 (sunrise) + bottom 里 (village/measure)
Originally a pictograph of a funnel or measuring vessel used to gauge grain. The form evolved to suggest weighing at sunrise (旦) over a measured area (里). It split into two readings: liáng 'to measure' (the action) and liàng 'quantity' (the result).