From Old East Slavic *кольце*, a diminutive of *коло* ("wheel, circle"), from Proto-Slavic *kolo*, related to Latin *collum* ("neck") and Greek *κύκλος* (kýklos, "circle"). The diminutive suffix *-цо* gave it its modern form, literally meaning "little wheel."

In Russia, wedding rings (обручальные кольца) are traditionally worn on the **right hand**, not the left — a key difference from Western custom that often surprises foreigners. Engagement rings exist but are less institutionalized than in Anglophone cultures. The ring is also a powerful symbol in Russian folklore and fairy tales, often granting wishes or concealing magical power.