Likely a nickname-style name used in several cultures, with affectionate or informal roots.
Gogi appears to be a nickname-style name used in more than one culture, with affectionate or informal roots rather than a single fixed etymology. That makes it feel personal and flexible, the kind of name that may begin as a diminutive and then take on independent life.
The sound is short, lively, and memorable. Gogi has a friendly, almost playful energy, but its rarity keeps it from feeling trivial. In use, it reads as intimate and contemporary, a name whose charm comes from its warmth and simplicity rather than from historical grandeur.