仕上がり
しあがり · shiagari · JLPT N1 · noun
coating
🏁 仕 (do) + 上 (up) + がり (result state) = the finished state of having done it up
仕上げる means to finish off or do up. Adding the suffix がり turns that action into a noun for its result, so 仕上がり is the finished result.
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.