幾何原本 Save Sign in to save words Simplified: 几何原本 jǐhéyuánběn ㄐㄧˇ ㄏㄜˊ ㄩㄢˊ ㄅㄣˇ Euclid's "Elements" Character by character 幾(jǐ)how many 何(hé)surname He 原(yuán)surname Yuan 本(běn)root A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0