A person who cuts, polishes, or trades in gems; a lapidary.
From gem plus the suffix -er (one who does something). This occupational term emerged as gem-working became a specialized skilled trade in medieval Europe.
A gemmer was a crucial figure in medieval and Renaissance courts—they didn't just cut stones, but had to understand optics, crystallography, and color theory centuries before these became formal sciences! Famous gemmers could transform rough stones into crown jewels worth kingdoms.
Complete word intelligence in one call. Free tier — 50 lookups/day.