A garnet; a semi-precious stone, or a variant spelling of garnet.
From garnet (Middle English, from Old French grenat, possibly from Lat. granatum 'pomegranate' due to color similarity) with variant spelling.
Garnets were named after pomegranates because of their deep red color and the way the seeds inside resembled the stone's internal pattern—a perfect example of how humans name things they don't fully understand by comparing them to what they know.
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