English
rotifer
Rotifer comes from Latin rota ‘wheel’, and goes back to Proto-Indo-European *Hreth₂- ‘to run, roll’.
- Proto-Indo-Europeanc. 4500–2500 BCE*Hreth₂-‘to run, roll’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*Hróth₂-eh₂reconstructed
- Proto-Italicc. 1500–700 BCE*rotāreconstructed
- Latinc. 75 BCE–200 CErota‘wheel’
- Englishtodayrotifer
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*Hreth₂-‘to run, roll’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*Hróth₂-eh₂reconstructed
- Proto-Italicc. 1500–700 BCE*rotāreconstructed
- Latinc. 75 BCE–200 CErota‘wheel’
- Englishtodayrotifer
Linked words
through Proto-Indo-European *Hreth₂- ‘to run, roll’
through Proto-Italic *rotā
through Latin rota ‘wheel’
Today it means
noun Any of many minute aquatic multicellular organisms, of the phylum Rotifera, that have a ring of cilia resembling a wheel.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *Hreth₂- / rotifer