空前
kōngqián · HSK 7
unprecedented
🈳 空 (empty) + 前 (before) = nothing came before it, so it's unprecedented
空 means empty and 前 means before or in front. Together: the space before this was empty, nothing like it had ever happened. kōngqián literally maps empty-before onto the English unprecedented.
空 — cave radical 穴 + 工 (phonetic)
Originally a phono-semantic compound: 穴 (cave, hole) gives the meaning of emptiness or hollow space, while 工 supplies the sound. The earliest sense was 'hole' or 'cavity,' which extended to 'empty,' 'sky,' and 'in vain.' The reading kòng (4th tone) specifically means 'free time' or 'vacancy.'
前 — top 丷 + 一 + 月 (moon) + 刂 (knife)
Originally written 歬, depicting a foot 止 above a boat 舟, meaning to advance or go forward. Over time the form evolved and the knife radical 刂 was added, while 止 and 舟 fused into the modern shape. The core meaning 'front, before, ahead' has stayed consistent.