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Meconium

/mɪˈkoʊniəm/noun

The dark green-black first stool of a newborn, made of material swallowed in the womb.

The Greek roots

μήκων
mḗkōn
poppy

Literally: little poppy juice

Follow a root:μήκων1 word

The story of the word

μηκώνιον is the diminutive of poppy and meant the thickened juice of the poppy head, in other words crude opium. The transfer to the newborn's first stool is ancient and purely visual: the tarry black-green mass looks like it. English used meconium for poppy juice first, and the obstetric sense arrived later, so an eighteenth-century apothecary and a modern midwife would mean different things by the word.

How it travelled
Ancient Greek → Latin → English

In a sentence

The midwife noted meconium in the fluid, which is why they moved her to the delivery room.

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