Idaikaadar hailed from Idaikattur near Madurai. He belongs to the Idaikkali country. He is recognized for composing poems with excellent illustrations. He has written in praise of the Chola King Kulamuttratthu Thunjiya Killi Valavan (Purananuru verse 42). He has also authored the grammar text “Oosimuri”.
He is believed to have attained Jeeva samadhi at Thiruvannamalai. He hosted navagrahas during a famine. A small navagraha temple remains at the site today at Idaikattur.
Verse 54 of the Tiruvalluva Maalai, a tribute written on Valluvar and the Kural literature, is attributed to Idaikaadar. The verse suggests, “Valluvar pierced a mustard and injected seven seas into it and compressed it into what we have today as Kural.”
It can be noted that Avvaiyar I supported the meaning of this verse by replacing the first-word “mustard” with the word “atom.” He is one of the two contributors of the Tiruvalluva Maalai who have written the verse in the Kural venba meter, the other one being Avvaiyar I.
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