短気
たんき · tanki · JLPT N1 · noun
irascibility
🧨 短 = short + 気 = spirit/mood: a short fuse, so tanki means quick temper
短 (tan) means short, as in 短い (mijikai). 気 (ki) means mood or spirit. Together they describe a mood with a short fuse.
短 — arrow 矢 + bean/vessel 豆
Originally a phono-semantic compound: 矢 (arrow) gives the meaning, since arrows were used as a short measuring stick, while 豆 (an ancient stemmed vessel) supplied the sound. From 'short in length' the meaning broadened to 'short' in time, stature, or quality.