The word 珠联璧合 is formed by the direct combination of four characters: 珠 meaning "pearl", 联 meaning "to connect", 璧 meaning "jade disc", and 合 meaning "to combine". It originates from ancient Chinese astronomical records where 珠 referred to stars and 璧 referred to the moon; the phrase describes the celestial event of stars aligning with a full moon, symbolizing a perfect match. Literally, it translates to "pearls connected, jade discs combined", used metaphorically to denote an ideal pairing or harmonious combination.