English
rostral
Rostral comes from Latin rostrum ‘bill or beak of a bird’, from rōdō ‘to gnaw’, and ultimately from Proto-Indo-European *Hreh₃d-.
- Proto-Indo-Europeanc. 4500–2500 BCE*Hreh₃d-‘to scrape, scratch, gnaw’reconstructed
- Latinc. 75 BCE–200 CErōdō‘to gnaw’
- Latin, derivedc. 75 BCE–200 CErostrum‘bill or beak of a bird’
- Englishtodayrostral
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*Hreh₃d-‘to scrape, scratch, gnaw’reconstructed
- Latinc. 75 BCE–200 CErōdō‘to gnaw’
- Latin, derivedc. 75 BCE–200 CErostrum‘bill or beak of a bird’
- Englishtodayrostral
Linked words
through Proto-Indo-European *Hreh₃d- ‘to scrape, scratch, gnaw’
through Latin rōdō ‘to gnaw’
Today it means
adj Relating to the rostrum.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *Hreh₃d- / rostral