English
estro-
Estro- comes from Latin oestrus ‘gadfly’, and goes back to Proto-Indo-European *h₁eysh₂- ‘to strengthen’.
- Proto-Indo-Europeanc. 4500–2500 BCE*h₁eysh₂-‘to strengthen’reconstructed
- Ancient Greekc. 800–300 BCEοἶστροςoîstros‘gadfly, breese’
- Latinc. 75 BCE–200 CEoestrus‘gadfly’
- Englishtodayestro-
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*h₁eysh₂-‘to strengthen’reconstructed
- Ancient Greekc. 800–300 BCEοἶστροςoîstros‘gadfly, breese’
- Latinc. 75 BCE–200 CEoestrus‘gadfly’
- Englishtodayestro-
Linked words
through Proto-Indo-European *h₁eysh₂- ‘to strengthen’
Today it means
prefix Estrus.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *h₁eysh₂- / estro-