Mal: തിരൂര് tirūr
‘Prosperous Town’ Town, Kerala
From Mal: tiru ‘eminent’, ’holy’, ‘auspicious’, ‘prosperous’; and ūr, ‘town’, ‘city’.
The modern city earns its keep from fish, coconuts, betel leaves and electronics.
The Tirur Betel Leaf has its own GI Tag (a geographical indication awarded to regional products with a unique quality or identity).

Video: Can GI tag rescue betel leaf farmers in Tirur? [Indian Express]