English

nephro-

Nephro- comes from Ancient Greek νεφρός ‘kidney’, and goes back to Proto-Indo-European *negʷʰrós.

Proto-Indo-Europeanc. 4500–2500 BCE*negʷʰrós‘kidney’reconstructed
Proto-Hellenicc. 2200–1600 BCE*nekʷʰrós‘kidney’reconstructed
Ancient Greekc. 800–300 BCEνεφρόςnephrós‘kidney’
Englishtodaynephro-

attested reconstructed ? uncertain or disputed

Lineage

Proto-Indo-Europeanc. 4500–2500 BCE*negʷʰrós‘kidney’reconstructed
Proto-Hellenicc. 2200–1600 BCE*nekʷʰrós‘kidney’reconstructed
Ancient Greekc. 800–300 BCEνεφρόςnephrós‘kidney’
Englishtodaynephro-

Linked words

through Proto-Indo-European *negʷʰrós ‘kidney’

through Ancient Greek νεφρός ‘kidney’

epinephrine, 4 more

Today it means

prefix Of or relating to the kidneys.

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

Etymograph / Proto-Indo-European *negʷʰrós / nephro-

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