巨大
きょだい · kyodai · JLPT N3 · na-adj
huge
🐘 巨大 = giant + big: a big that is giant-sized
巨 (kyo) means giant, as in 巨人 kyojin, giant. 大 (dai) means big, as in 大学. Putting giant and big together makes something even bigger than 大 alone: huge, enormous.
大 — pictograph of a person with arms outstretched
大 is a pictograph showing a person standing with arms and legs spread wide. The outstretched arms suggest 'big' or 'great', extending from the literal image of a large stance to abstract meanings like important or grand. It is one of the oldest characters, found on oracle bones.