The story
- Sanskrit · derived fromचूर्ण“powder; lime”
- Tamil · derived fromசுண்ணம்“lime, ground mortar”
- English todaychunam
From Tamil சுண்ணம் (cuṇṇam, “lime, ground mortar”), from Sanskrit चूर्ण (cūrṇa, “powder; lime”).
Etymology from Wiktionary, CC BY-SA 4.0.