From Wiktionary, the free dictionary
From இயற்கை (iyaṟkai) + -ப்- (-p-) + பொருள் (poruḷ).
இயற்கைப்பொருள் • (iyaṟkaipporuḷ)
- that which is natural, natural product
- University of Madras (1924–1936) “இயற்கைப்பொருள்”, in Tamil Lexicon, Madras [Chennai]: Diocesan Press