The story
- Tamil · borrowed fromகுருந்தம்“ruby, sapphire”
- English todaycorundum
From Tamil குருந்தம் (kuruntam, “ruby, sapphire”) First attested in the early 18th century.
Etymology from Wiktionary, CC BY-SA 4.0.
corundum
Today it means: An extremely hard mineral, a form of aluminum oxide with the chemical formula Al₂O₃, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive. Full definition →
Tamil குருந்தம்