English
malonylurea
From malonyl + urea.
Proto-Indo-European *h₁wers- ‘to rain’
…
Proto-Hellenic *eworhéyō
Ancient Greek οὐρέω ‘to urinate’
Ancient Greek οὖρον ‘urine’
French urée
English urea
Today it means
noun Barbituric acid.
Language periods are conventional ranges, not dates for this word.
Etymograph / malonylurea