English

leuconic acid

Blend of leuco- + croconic.

Proto-Indo-European *lewk- ‘bright’

Proto-Indo-European *lewkós ‘bright’

Proto-Hellenic *leukós ‘white’

Ancient Greek λευκός ‘white’

Ancient Greek κρόκος ‘saffron, yolk’

Today it means

noun A complex organic acid, obtained as a yellowish-white gum by the oxidation of croconic acid.

Language periods are conventional ranges, not dates for this word.

Etymograph / leuconic acid