天上
tiān shàng · HSK 2
sky
☁️ 天 = sky/heaven + 上 = above/on top
Literally sky-above: anything located in the heavens. 天 depicts a person with a flat line over the head marking what is overhead; 上 is the ancient ideograph for above (a mark sitting on a baseline).
天 — 一 (one/sky) above 大 (big person)
Originally a pictograph of a person (大) with an emphasized head, representing what is above — the sky or heavens. The top stroke evolved into 一, symbolizing the vast expanse overhead. From 'sky' it extended to mean 'day,' 'heaven,' and 'nature.'
上 — horizontal line above a baseline
上 is an indicative character (指事): a short stroke placed above a longer reference line shows the concept of 'above' or 'up'. The earliest oracle-bone forms used two horizontal lines for this; the modern shape added a vertical stroke for clarity. The core meaning of 'upper, above, to ascend' has stayed stable for millennia.