The kanji 衡 represents "balance," "weigh," or "to measure." It often implies the idea of equilibrium, fairness, and the act of assessing or evaluating something. The core meaning is related to scales or a balance beam used for weighing objects, emphasizing the concept of equal weight and just judgment.

・On-yomi (音読み): ケイ (kei) ・Kun-yomi (訓読み): はか（る） (haka(ru))

⚫︎ 平衡 (heikou) Translation: Balance; equilibrium. ⚫︎ 衡量 (keiryou) Translation: Measurement; assessment; to weigh (up). ⚫︎ 衡平 (keihe i) Translation: Fairness; impartiality.

The kanji 衡 is a 形声文字 (keisei moji), a phono-semantic compound. ⚫︎ The phonetic component is 行 (gyou/kou), which has the original meaning of "to go" or "a road." ⚫︎ The semantic component is 禾 (kome/wa), representing "grain" or "crops." ⚫︎ Combining these components, 衡 originally depicted a balance scale used to measure the weight of grains. The "go" of 行 indicates the scale's movement, and 禾 refers to what's being measured. Over time, the meaning broadened to encompass the general concept of balance and measurement.